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1. The Screw gauge works on theprinciple of _____ (March 04, June 04)
2. The Scale present on index line ofscrew gauge is called as ____ (Oct-99)
3. Screw guage consists of _____ scaleand ____ scale.
4. Pitch of the screw P = _____ / No.ofrevolutions made.
5. L.C. of a Screw guage = pitch of thescrew / ____
6. If the Zeroth division of the head scalein below the indexline of the pitchscale, the error is said to be _____ andthe correction is _____
7. If 'p' is the pitch of the scale and 'N' isno.of head scale divisions them L.C.=_____
8. If screw moves 5mm for 5 revolutions,the pitch of the screw is _____
9. If a screw consists 200 head scaledivisions which contains pitch as 1mmthen the least count is _____
10. If the L.C. is 0.01 mm, Pitch scalereading is 1.5 mm and the headscalereading is 18, then the diametre of theobject is ____
1. The value of the universal gravitationalconstant is ____
(March-2009, April-2009)2. The weight of 400g stone is _____ N
(June-08, April-08, June-06, March-2000)3. Units for 'G' in SI System ____
(March, 2008)4. Ptolemaic theory is also known as ____
(March-2007)5. As per Kepler's theory, the planet revol-
ves around sun in_____ path.(March06)6. Universal law of gravitation is applicable
at _____ (March 2005)
7. Kepler's law supports _____ theory(March 1999)
8. Heliocentric theory is proposed by _____(June - 2000)
9. Units of acceleration due to gravity is_____ (March - 2001)
10. Acceleration due to gravity at poles is_____ and at equator it is _____ (March -2003)
11. Acceleration due to gravity is highest at_____ (March-03, 02, June-03)
12. Example for sensitive instruments used tomeasure small changes in the value of gat given place is _____
(June - 05, 02, 01, March - 04)13. Numerical value of the universal
gravitational constant is _____(June-07)14. The weight of a substance in the force
____15. The gravitational force of earth over
moon is _____ than the gravitationalforce of moon over earth.
16. As the altitude increases the 'g' value____
17. As the depth increases the 'g' value ____
18. Relationship among g, G, M and r is ____19. If the mass of an object is 'm', then the
weight of the same w = _____20. The mass of an object at anywhere in the
world is ____21. The principle used to determine the force
of attraction between two objects 'F' =____
22. When Kepler modernised Copernicussystem, the shape of the path of orbit isstated as ____
23. As per Copernicus solar system earthrevolves around its axis and also revolvesin circular orbit around ____
24. The acceleration attained by a body dueto the gravitational force of attraction ofearth is called as ____
25. The distance between the earth and themoon is _____ k.m.
26. The acceleration of moon towards earthis _____ km/sec2
27. Gravitational force of attraction on abody of 10 kg is ____
1. If a ball which is thrown up attainsa maximum height of 80m the initialspeed of it is _____
(June 2008, March 04, 02)2. The uniform acceleration produced in a
freely falling body due to thegravitational pull of the earth is _____
(June 2008)3. The time for which a body remains in air
is called _____ (March 08, June 07)4. The maximum height reached by a body
when it is projected upwards with a initialvelocity 'u' is _____
(April 08, June 06, 05, 00, March 04)5. The time of ascent is directly
proportional to _____ (April 08, june 08)6. When a body is dropped from a height 'h',
then the velocity of the body on reachingthe earth is _____ (March 2007)
7. For a body moving under the influence ofgravity, time of ascent is equal to _____
(March 2006, 08)8. When a body is projected upwards, the
accleration due to gravity is taken _____ (March, 08)
9. The maximum height reached by a bodythrown with initial velocity 10m/sec is_____ (June 02)
10. The time taken by a body to reachmaximum height is _____
(March-03, June-07)11. Maximum height reached by a body
thrown with initial velocity 40 m/g is_____ (March-04, 02)
12. The time for which a body remains in airis called _____ (March-08)
13. The acceleration of a falling body a = ___14. The initial velocity of a freely falling
body is ____15. The time taken by a freely falling body to
reach earth is ____16. Ascending time = Descending time = ___
17. The acceleration of a body ''a'' at the timeof ascending ____
18. Time of flight t = ____19. Ascending velocity and descending
velocity of a body at a fixed point in air is____
20. If a body takes one second to reachground when it is dropped from abuilding, the height of the building is____
1. A car moves on a curved but level road.The necessary centripetal force on the carif provided by _____
(March 2009, 04, June - 2003)2. In simple harmonic motion, the
acceleration of the particle is directlyproportional to _____ (March, 09)
3. _____ is a machine used to separateparticles of higher mass from those oflower mass in a given mixture
(March, 01)4. The force of attraction of a particle
radially towards the centre of circle is_____ (March, 1999)
5. An imaginary co-ordinate system whichis either at rest or in uniform motion andwhere Newton's laws are valid is calledas _____ (June, 03)
6. Circular motion is a variety type of _____motion.
7. If the stone tie up with a thread rotating ina circular motion is untied the motiondirection of the stone is ____
8. In uniform circular motion _____ isconstant.
9. The force acting towards centre is calledas ____
10. If the angle of banking is θ, the tanθ =____
11. The angular velocity of a hours hand inclock is ____
12. The machine which dries wet clothes is____
13. The angualr velocity of a minutes hand ina clock is ____
14. The force found only in fixed rotational
Physical ScienceOUR UNIVERSE & GRAVITYSCREW GAUGE
Time Taken to Reach Maximum Height?
SCREW GAUGE
KINEMATICS
Our Universe & Gravity
DYNAMICS
Answers:1. Screw 2. Pitch Scale3. Pitch, head4. Distance travelled by the Screw5. No.of head scale divisions6. Positive, negative 7. P/N 8. 1 mm9. 0.005mm 10. 1.68 mm
Answers:1. 40 m 2. Acceleration due to gravity3. Time of flight 4. U2/2g'5. Initial velocity 6. √2gh7. Ascending time or U/g'8. negative 9. 5m10. Descending time 11. 80 m12. Time of flight 13. ''g''14. Zero 15. Descending time16. U/g' 17. – g 18. 2U/g19. equal 20. 5m
Answers:1. 6.67×10–11Nm2Kg–2 2. 3.9 N3. Nm2Kg–2 4. Geocentric theory5. Elliptical6. Anywhere in the universe 7. Heliocentric theory 8. Copornicus9. mg–2 10. Maximum, Minimum11. Poles 12. Gravity Metre13. 6.67×10–11
14. Of attraction of earth on it15. Low 16. Decreases17. Decreases 18. g = GM/r2
19. mg' 20. Constant21. F = GMm/r2 22. Elliptical 23. Sun 24. Acceleration25. 3.85×105 26. 0.0027m/sec2 27. 98N
Y. Ravi KumarTG, Senior Teacher,
Hyderabad
BITBANK Written by
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frame is ____15. The bend of a cyclist moving on edges
depend on ____16. The realationship among 'r', v and ''w'' is
____17. One radian = ____18. Relation between time of oscillation 'T'
and frequency f is ____19. One revolution = _____ radians.20. The angular momentum of a body L =
____21. The magnitude of centripetal acceleration
a = ____22. Centripetal force F = ____23. In a uniform circualr motion if the radius
is doubled then the centripetal force ____24. The angle made by a body with respect to
time is ____25. Units for angualr velocity is ____26. Centrifugal force acting on a car which
has 1200 kg mass, moving with 6m/secvelocity along a road have 180m. circularradius is ____
27. The angle subtended by an arc of lengthequal to its radius at its centre is definedas ____
28. The rate of angular displacement is called____
29. 2π radians = _____ degrees 30. Time taken by a body for one complete
revolution is called ____31. Ball left by a bowler attains _____
motion before reaching a batsman.32. dθ/dt = ____33. Angular velocity w = 2π ÷ _____
Radians34. ____ separates molases from sugar
crystals.35. Systems which do not obey Newtons
laws of motion are called as ____
1. The wavelength of the visible spectrum is_____ (June - 09, 05, 04, March 01)
2. The electromagnetic radiations that areused to take photographs of objects indarkness _____ (March - 2009)
3. ____ rays are emitted in radioactivity.(June - 2008)
4. The velocity of electromagnetic waves is_____ (March 2008)
5. Electromagnetic radiations with shortestwavelength are _____ (March 2008)
6. Rays used in RADAR _____(April 08, June 07) (March 2001)
7. We are protected from ultravioletradiations of the sun because _____ inour atmosphere absorbs UV raysstrongly. (June 2007, April -2008)
8. The radiations used in physio - therapy is_____ (March 2007)
9. Velocity of light in vaccume _____(June - 2006)
10. Electromagnetic waves are _____ type ofwaves. (March 2006)
11. 1A°= _____ (Oct - 1999)12. Frequency range in radio broadcasting
_____ (March - 2006)13. RADAR means _____ (Oct - 99)14. Microwaves are generated in a electrical
circuit on account of _____ (June - 01)15. On account of change in the rotation or
vibrations of molecules of a substance_____ rays are emitted.
16. The waves useful in Telemetry ____17. ____ rays cause skin cancer if body is
exposed for moretime of the same.18. ____ waves are generated on account of
the vibrations of low frequencyelectromagnetic radiations.
19. The wavelength range of Radio waves.20. Infrared rays are located through ____21. The process of using soft X-rays in
medical diagnosis is called as ____22. ____ waves are used in Micro Oven.23. ____ cause damage to ozone layer.24. The wavelength range of Infrared rays is
from _____ to ____.25. Mapping of the radio emissions from
extra terrestrial sources in known as ____
1. If the distance between a node andthe next antinode in a stationary wave is10 cms, then the wavelength is _____
(June 09)2. Velocity of sound in air 'V' = _____
(March-09, April-08) (June-06) (March03, 01)
3. In a stationary wave, the point at whichthe maximum displacement is _____
(June, 2008)4. Periodic vibrations of decreasing
amplitude are called _____ (June, 2007)5. The vibrations that take place under the
influence of an external periodic force arecalled _____ (June, 2007)
6. A medium transmits a sound wavethrough it, by virtue of its _____
(March 2007)
7. The distance between successive nodeand antinode is _____ (March - 2006)
8. In a resonance experiment if the firstresonance air column length is 10cm, thesecond length of resonance air column isat ____
9. The distance between two successiveparticles which are in the same phase iscalled as ____
10. ____ waves are developed in theresonance of air columns.
11. If particles in the wave vibrateperpendicular to the propagation of wave,then it is called as ____
12. By keeping the length of a pendulumconstant, the vibration range is increased
by energy then frequency ____13. ____ is the reason for the collapse of a
bridge if march fast is done on it.14. ____ are the stationary points of particles
of media in stationary waves.15. The distance between two successive
antinodes in a stationary wave is ____16. The wavelength of a sound wave where
the velocity is 300m/sec and frequency is10,000Hz is ____
17. Waves containing compressions andrarefractions are ____
18. Units for the frequency ____19. The velocity of sound waves have
frequencies 200 Hz and 500 Hz is ____20. Frequency possessed by each system is
called as ____21. If frequency is ''ν'' and wavelength is ''λ''
then the velocity of sound v = ____22. The phenomenon in which if one of the
two bodies of the same natural frequencyis set into vibrations, the other body alsovibrates under the influence of the firstbody is called ____
23. When two waves of equal frequency andamplitude travel in opposite direction_____ are formed.
24. Velocity of sound in vaccume is ____25. Velocity of sound in air is determined
with ____
1. Unit for the intensity of light _____(June 2009, March 2007)
2. Expand ''LASER'' _____(June 2009, April 2008)
3. ____ is the change in the phase of a wavewhen it is reflected (June - 2008)
4. For a constructive super position ofwaves, the phase difference between thewaves should be equal to _____
(June - 2008)5. The unit of solid angle (Ω) is _____
Physical ScienceLIGHTSOUND
ELECTRO MAGNETICSPECTRUM
SOUND
Answers:1. 0.4µm - 0.7µm 2. Infrared rays3. Gama 4. 3 × 108 m/s 5. GAMA6. Micro waves 7. Ultra violet rays8. Infrared rays 9. 3×108 m/s10. Transverse waves 11. 10–8 cm12. 300 KHz to MHz13. Radio detection and Ranging14. Oscillatinos of high frequency
electromagnetic waves15. Infrared 16. Microwaves17. Ultra violet 18. Radio waves19. 1m - 100 km 20. Thermofile21. Radiography 22. MICRO23. Spray of gaseous solutions24. 0.7µm - 100µm25. Radio Astronomy
Answers:1. Abrasion between Car tyres and road2. Displacement 3. Centrifuge4. Centripetal force5. Inertial frame of reference6. Rotation 7. Along contact line8. Angular Velocity 9. Centripetal Force10. v2/rg 11. π/6 radians/hour12. Laundry drier 13. π/1800 Radians/Sec14. Centrifugal force 15. Speed16. V = rω 17. 57°291 18. T= 1/f19. 2π 20. mωr2 21. v2/r22. mv2/r 23. Increases twice24. Angular displacement25. Radians/sec 26. 147 N27. Radian 28. Angular Velocity29. 360 30. Periodic Motion31. Rotation 32. ω 33. T34. Centrifuge35. Non - inertial frame of reference
Answers:
1. 40cm 2.
3. Antinode 4. Damped Vibrations5. Forced Vibrations 6. Elasticity, Inertia7. λ /4 8. 30 cm 9. Wavelength10. Stationary Waves 11. Transverse Wave12. No change 13. Resonance14. Node 15. λ /2 16. 3 cm17. Longitudinal waves 18. Hertz19. Equal 20. Natural frequency21. v = νλ 22. Resonance23. Stationary waves 24. zero
25.p
vλ=ρ
pλρ
LIGHT-NATURE OF LIGHTAND SOURCES OF LIGHT
Velocity of Electromagnetic Waves?
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Physical ScienceCURRENT ELECTRICITYMAGNETISM
(March 2008)6. The process of achieving population
inversion is called as ____7. ____ proposed wave theory of light
(June-2003)8. First scientist explained about the nature
of light is ____9. Scientist explained the colours of light
with the different sizes of light particles is____
10. Radiations of quanta is called ____11. As per newton's theory velocity of light is
_____ in denser medium.12. _____ phenomenon could n't explain by
Newtons theory of light.13. Scientist proposed medium of 'Ether' in
universe is ____
14. The imaginary three dimensional surfaceformed by the particles of a mediumwhich are vibrating in the same phase iscalled a ____
15. If the velocity of light in vaccume is ''c''and the velocity of light in a medium is''v'', then the refractive index of mediumµ = ____
16. If angle of incidence is i in rarer mediumand the angle of refraction is ''r'' is densermedium the refractive index of mediumµ = ____
17. Crests of water waves in ripple tank act as____
18. The velocity of water wave is _____ asthe depth of the water increases
19. For destractive superimposition of waves,the phase difference between the wavesshould be equal to ____
20 ____ is the reason for noticing sounds ofone room to another room.
21. Refractive index µ = velocity of light invaccume (c) / ____
22. ____ is used for curing meninzes(March 2005, oct - 99)
23. Lumen is unit for _____ (March - 2007)24. The wavelength of ruby laser is _____
(June 2004)25. ____ proposed law of laser at first in the
year 1954. (June - 2004)26. Modern units for the flux of light ____27. The width of band in a quality laser is
____28. The science of measuring the intensity of
light of two sources with a special units is
called as ____29. 1 Lumen / Steridian = ____30. Temporal coherence is important in the
production of ____31. ____ is the cause for optical noise in
ordinary light.32. ____ rays posses directionality.33. ____ destructs ICBM in air.34. Special three dimentional photography
using laser is called as ____
1. Gadolinium is a ______ magneticsubstance (June 2009)
2. Locate Para magnetic substance amongAl, Hg, Co & AU _____ (June - 2008)
3. Magnetic field induction on the equatorialline is given by B = _____Newtons/Amphere - Metre (June - 2008)
4. Magnetic permeability of space is _____(March 2008, 06, 2000)
5. The magnetic moment of a bar magnet oflength 5cm with pole strength 2 × 10–3
ampere - meter is _____ (March - 2008)6. The units of pole strength in SI system is
(April - 2008)7. Air, water & Bismuth are the examples of
_____ magnetic substances.(April - 2008)
8. Substances are those in which theresultant magnetic moment of individualatoms is not zero are called as _____
(June 2007)9. Relationship between magnetic flux
density (B) and the magnetic field (H) is____ (June - 2007)
10. ____ is the diamagnetic substance amongBismuth, Iron and Oxygen(March - 2007)
11. The unit of magnetic pole strength inMKS system is _____ (June - 2006)
12. The value of µr for diamagnetic
substances is _____ (March - 2002)13. The relative permeability of diamagnetic
substances is _____ (March - 2002)14. Units for the intensity of magnetisation is
_____ (March - 1999)15. Susceptibility of dia-magnetic substance
is _____ (March 2005, June - 2001)16. Relationship between absolute permeabi-
lity µ, relative permeability µr is ____17. SI units for H = ____18. Relationship among φ, A and B is ____19. 1 weber = _____ Ampere - metre20. µr value for space = ____21. If the length of magnet is (2l) and
polestrength is (m)then magnetic momentM = ____
22. B0 is not considered for a bar magnet at_____ points.
23. The point where the B & B0 nullify eachother forms _____ near by a magnet.
24. B0 value of Andhra Pradesh is ____25. The magnetic moment M of a bar magnet
when neutral points are on equatorial lineand B = B0. Then M = _____ A - m2
26. The magnetic moment M of a bar magnetwhen neutral points are on axial line andB = B0. M = _____ A - m2
27. A pole which repulses with a force of 10–7
N of another pole kept at a metre distanceis called as ____.
28. Magnetic momentum present in unitvolume of a substance is called as ____
1. Rate of electrical work done isdefined as _____ (June 09).
2. A transformer works on the principle of_____ (March 09).
3. The value of mechanical equivalent ofheat is _____ (March 09).
4. The work required to be done to producea quality of heat of 1 calorie is _____joules (June 08).
5. The equivalent resistance when tworesistors of 8Ω each are connected inparallel _____ (March 08).
6. A device which converts mechanicalenergy into electrical energy is _____(April 08).
7. The instrument used to measure potentialdifference between two points is called_____ (June 07).
8. When resistances are connected in _____,the total voltage is divided among them(March 07).
9. The symbol of battery is _____ (June 06).10. The conductors which do not obey ohms
law, are called as _____ (March 06).11. Unit for flow of current is _____
(March 99).12. The resultant resistance when R1 = 100Ω,
R2 = 1Ω are connected in parallel = ____ (March 00)
13. The resultant resistance when 6Ω, 12Ωresistances are connected parallel _____(June 01).
14. The resultant resistance of 6Ω, 12Ω areconnected in serial is ____ (March 03).
15. When 240V potential difference ismaintained in a bulb a flow of 3A isobserved through it. Then the resistanceof bulb is ____ (June 04).
16. Potential difference between two points ismeasured with ____ (June 07).
17. Electrical current is measured with ____instrument (March 00).
18. When 1v, 1.5v, 5v emf batteries areconnected in parallel the resultant emf is-____ (March 02).
19. Magnetic induction (B)=____(March 00).20. Electrical motor converts _____ energy
into _____ energy (March 07).21. Volt meter is always connected in ____ in
electrical circuit. (March 00).22. Use of iron core on transformer is ____
(March 01).23. Mechanical energy is converted into
electrical energy by _____ throughelectromagnetic induction (March 02).
24. Units for self induction is ____ (June 07).25. Full form of RPM is ____26. If a electrical coil is rotated in the
presence of magnetic field the inducedemf is changed for every revolution of
Lumen is Unit for?
Answers:
1. Candle2. Light amplificatoin by stimulation
Emission of Radiation3. 180° 4. 2πn 5. Steridian6. Pumping 7. HUYGENS 8. Newton9. Newton 10. Photon 11. More12. Polarisation13. Huygens14. Wavefront 15. C/V16. Sin i /Sin r 17. Convex lense18. Increases 19. π 20. Diffraction21. Velocity of light in medium22. LASER 23. Luminous flux24. 6943Å 25. Charles H. Towns26. Lumen 27. 10–8 28. Light
Photometry 29. LUX 30. Laser 31.Non Coherence 32. LASER 33.LASER 34.Holography
MAGNETISM
Answers:1. Ferromagnetic Substance
2. Al3.
4. 4π × 10–7 Henry/metre5. 10–4 Ampere - metre2
6. Ampere - metre 7. Dia8. Para magnetic substance 9. B = µ0H10. Bismuth 11. Weber12. µr≤1 13. Nearly equal to one14. Ampere - metre 15. Very low16. µ =µ0µr 17. Ampere / metre18. φ = AB 19. µ0 Ampere - meter20. 1 21. 2 ml 22. near by23. null points or neutral24. 0.39×10–4 Tesla 25. 390d3
26. 195d3 27. Unit pole strength28. Magnetic Intensity I
03
M
4 d
µπ
CURRENT ELECTRICITY
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____ coil.27. The equivalent weight of oxygen is ____28. Units for electro chemical equivalent is
____29. As per Faraday's first law of electrolysis
m = ____30. Commercial unit of electrical energy is
____31. Unit for electrical charge is ____
32. Instrument used for the measurement ofcurrent is ____
33. The relationship among electrical chargeQ, workdone W and potential differenceV is ____
34. The resultant emf when three batteries of1.5 v are connected in serial is ____
35. The resultant emf of two batteriesconnected in parallel of 1.5v and 2.0 v is____
36. If one of the bulbs connected in series isremoved the bulbs ____
37. 1/R means ____38. Units for conductivity is ____39. The relationship among R, g is ____40. Non-ohmic conductor among copper,
Aluminium and electrolyte is ____
1. ____ has more ionization amongα, β, γand x-rays
(June 09, 00, March 02).2. 1 amu = ____ Mev (June 09).3. In a p-type semi conductors ____ are the
majority carriers. (March 09).4. To make silicon a p-type semi conductors,
the impurity to be doped in____ (June 06)5. are examples for _____
(June 06).6. ____ electro magnetic radiations are
released in Radio activity. ( March 06).7. If a β particle is emitted the mass number
____ (June 00, March 03).8. If one α particle is emitted the mass
number changes by ____(March 03, june 00)
9. Thorium series is called as ____ series (June 02)
10. Bismuth series is called as ____series (June 02)
11. The radius of atomic nucleus ____(June 03)
12. Elements contain same mass number withdifferent atomic numbers are called as____ (June 05).
13. Neptunium series is otherwise called as____ series (June 06).
14. α particle is a ____ charged particle15. ____ isotope is used to decide the age of
rocks (March 00).16. (June 2004)17. Difference between the particles of
nucleons to the mass of nucleas is calledas ____
18. If the total mass of combined two nucleiis less than two individual nuclei thedeficiency is called ____
19. Rutherford's planetary model wasproposed with ____ experiment (March06).
20. Principle involved in the Hydrogen bombis ____
21. Principle involved in the construction ofatom bomb is ____
22. ____ reactions are noticed in the stars
23. are the examples of ____24. The age of fossils is determines with ____
isotopes
1. Assembler is a ____ language(March 09)
2. Among arsenic, antimony, phosphorousand antimony ____ is added to convertsilicon into p-type of semi conductors(June 06).
3. If the temperature of a semi conductorincreases the energy gap also ____
(June 01)4. Conduct particles in semi conductors are
____ (March 03, 00).5. ____ combinations compile a program
(June 00)6. Transistor works as ____ (March 03).7. P-n junction diode acts as ____ (June 00).8. ____ number of bits form a byte9. If trivalent valency atoms like Gallium
are added to Germanium ____ types ofsemi conductors are formed (March 99).
10. Combination of 8 bits form a ____ (March 00)
11. The symbol of p-n junction diode is ____ (June 02, March 01)
12. Camera consisting cathode rays andphotoes is called as ____ (June 01).
13. Last four bits in BCD code is ____14. First four bits in BCD code is ____15. Digits like "o" or "1" called as ____16. ____ is used as electronic switch.17. ____ is used as rectifier.18. Adding of impurities in a small quantities
is called as ____19. ____ selects modulated waves.20. I.C. means ____21. A.M. means ____22. In semi conductors the conduction of
holes and electrons will be in ____direction.
23. The arrow mark in transistor denotes____24. Three terminals contains by a transistor
are ____25. ____ are the conductance particles in n-
type of semi conductor.
26. Basic is a type of ____27. CPU consists of ____28. Arithmetic operations are carried out by
____ in Micro processor.29. Unit decodes and executes the
instructions given in the program by ____in micro processor.
30. Instrument used for scanning is ____31. Scientist discovered transistor is ____32. Transistor was discovered in the year
____33. If the partial conductor is cooled to a
temperature of OK the EG value will be____
34. Energy gap in insulator is ____35. Energy gap in semi conductors is ____36. Trivalent impurities are ____37. Pentavalent impurities are ____
1 21 1H, H
238 23492 90U Th ____→ +
40 4019 20K, Ca
Answers:1. Electric power 2. Mutual Induction
3. 4.18 Joules/calorie 4. 4.18 Jouls
5. 4Ω 6. Dynamo 7. Voltmeter
8. Series 9. –| |–
10. Non-ohmic or Non linear conductors
11. Amphere 12. 0.99 Ω 13. 4Ω14. 18Ω 15. 80Ω 16. Voltmeter
17. Ammeter 18. 5v 19.
20. Electrical, Mechanical 21. Parallel
22. Controls flux 23. Dynamo
24. Henry 25. Revolution per minute
26. ½ rotation 27. 8
28. GRAMS/Columb 29 ZiT
30. Kilowatt hour. KWH 31. Coloumb
32. Ammeter 33. W=Vq
34. 4.5 v 35. 2.0V 36. Glow off
37. Conductance 38. Mho/meter
39. RA/L 40. Electrolytes.
0 i
2 v
µΠ
Answers:1. Machine 2. Aluminium3. Decreases 4. Electrons, holes 5. Instructions6. Amplifier7. Electronic switch or rectifier8. 8 9. P-type10. BYTE 11. 12. Iconoscope 13. Numeric bits14. Zone bits 15. Bit16. P-n junction diode 17. Junction diode18. Doping 19. Oscillation20. Integrated circuit21. Amplitude modulation22. Opposite 23. Emission24. Emitter, base, collector25. Electrons 26. Higher language27. Control unit, ALU, Memory28. ALU 29. Control unit30. Icono scope 31. Williamshock lee32. 1948 33. Reduced 34. 3 ev35. 1 ev 36. Acceptor impurities37. Donor impurities
MODERN PHYSICS
Answers:1. α particle 2. 931.5 3. Holes4. Aluminium 5. Isobars 6. γ7. Increases by one unit8. Reduces by 4 units9. 4n series 10. (4n+1) 11. 10–13 cm12. Isobar 13. (4n+1) 14. Positive15. 16. 17. Mass defect 18. Mass deficiency19. Scattering of α-particles20. Nuclear fusion 21. Nuclear fission22. Nuclear fusion 23. Isotopes 24. Carbon dating
42 He235
92 U
ELECTRONICS
Physical ScienceELECTRONICSMODERN PHYSICS
Thorium Series is Called as?
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ChemistryCHEMICAL BONDINGATOMIC STRUCTURE
1. The electronic configuration ofchromium (Cr) is _____ (June-2009)
2. ______ contains less energy among 3p,4s, 3d and 4p
(March-2008, 09, April-2008)3. No. of sub shells present in L shell is
______ (March-2004, 08)4. If l = 3 then the values of m is ______
(March-2008)5. Rutherford's atomic model introduced
based on ______ experiment.(April-2006)
6. ______ proposed elliptical orbits. (March-2000, 01, 03, June-2001)
7. 'l ' value of d sub-shell is ______(March-1999)
8. Symbol to show the rotation of electronsin clockwise is ______ (October-1999)
9. Among H2, O2, Cl2 and HCl ______contains s-p overlapping. (June-2004)
10. The shape of s-orbital is ______(June-2000)
11. Electron enters ______ after filling 3d.(March-2004, June-2004)
12. Distance between the nucleus and theoutmost shell is called ______
(June-2007)13. Atomic number of magnesium is ______
(March-2006)14. 1s22s22p63s1 is the electronic configura-
tion of ______ (March-2008)15. Electronic configuration of sodium (z =
11) is ______ (March-2002)16. Number of sub shells present in 'M' shell
______ (June-2005)17. Electronic configuration of copper is
______ (June-2003)18. Quantum theory of radiation is proposed
by ______19. No. of sub shells present in K, L, M and
N ______20. If n is the principle quantum number then
the maximum value of l is ______21. The shape p-orbital is ______22. No.of maximum electrons present in each
main shell is ______23. Units for atomic radius ______
24. Pockets of electromagnetic radiation are______
25. Value of Planck's constant is ______26. As the charge of nucleus increases the
ionization energy also ______27. Place where the probability of electron is
zero called as ______28. ______ principle states that no two
electrons contain all four quantumnumbers equal.
29. Units for electron affinity ______30. ______ takes place after filling of each
degenerated orbital with one electronaccording to Hund's principle.
31. ______ Law which states higher energyorbitals are filled after lower orbitals arefilled
32. Most probable place of an electron iscalled ______
33. As per Bohr's atomic model angularmomentum mvr = ______
1. Molecule contains s–p overlappingis ______ (June-2009)
2. ______ is the shape of PH3 molecule. (March-2009)
3. The shape of CO2 is ____(March-2009)
4. Molecule contains double bond amongN2, C2H4 HCl and Cl2 is _____
(June 2006)5. Bond angle in water molecule is ______
(June-2003)6. Molecule containing ''V'' shape is ______
(March-2002, October-1999)7. The shape of Ammonia molecule is
______ (June-2003, 04)8. The shape of PCl5 molecule is ______
(March-2001, June-2002)9. ______ bond is formed by sharing of
electrons.
10. ______ bond is formed due to the transferof electrons.
11. ______ type of overlapping is observedin F2 molecule.
12. ______ sigma and ______ ''π'' (pi) bondsare found in N2.
13. No.of lone pair electrons noticed onoxygen in water is ______
14. The energy of a molecule is always______ than the sum of the energy ofindividual atoms.
15. End-to-End type of overlapping forms______ bond.
16. Side by side overlapping forms ______bond.
17. ______ pair of electrons are donaated incoordinate covalent bond.
18. ______ is electron pair donar on NH4+
molecule.19. Strongest bond among s–s, s–p and p–p is
______ 20. Valency of carbon atom is ______ 21. No.of electrons present in outer most
shell of inert gases other than in Heliumis ______
22. Number of lone pair electrons noticed onNitrogen in Ammonia is ______
23. The shape of methane is ______ 24. Angle among p–orbitals is ______
1. ______ period is partially filledwith elements in long periodic table.
(June-2008)2. First person proposed classification of
elements is ______ (March-2007)3. Number of elements in the first period of
long periodic table ______ (April-2008)4. Values of ionization energy ______ move
from top to bottom in a group.(June-2000)
5. Locate Dobereiner triad among (Na, Ne,Ca), (Li, Na, K), (H2, N2, O2) and (Na,Br, Ar) ______ (March-2001)
6. Elements have atomic numbers from 58to 71 are called as ______ (March-2003)
7. Elements with atomic numbers from ''90to 103'' are called as ______ (June-2009)
8. ______ group of elements are used asoxidents in long periodic table.
(June-2002)9. Electronegativity is measured with
______ scale. (June-2001, 05)10. Mendeleev's classification of elements is
based on ______ (June-2001, 02)11. IIA group elements are called as ______12. Sand P block elements together are called
as ______13. Other name of d-block elements is
______14. Other name of f-block elements is
______15. Lanthanoids belong to ______ period.16. Actinoids belong to ______ period.17. Element with high electro positivity is
______18. Adding of hydrogen to a compound is
called as ______19. Ionization is measured in terms of ____20. One Fermi = ______21. 1 ev = ______ kilo calories/mole.22. The other name of ecoboron is ______23. Mendaleev named Gallium as ______24. Law of octanes is proposed by ______25. The general electronic configuration of
inert gases is ______26. Leuther mayar classified elements based
on ______27. Scientist discovered scandium is ______28. General electronic configuration of
Alkalies is ______29. Inert gas belongs to second period is
______30. Modern periodic law is based on ______31. Element which doesn't follow octet
electronic configuration is ______32. Radio active element in IA group is
______33. Radio active element in IIA group is
______
The Shape of S-orbital is?ATOMIC STRUCTURE
PERIODIC CLASSIFICATIONOF ELEMENTS
CHEMICAL BONDING
Answers:1. [Ar]4s13d5 2. 3p 3. 24. 7 5. Scattering of α-particles6. Somerfeld 7. 2 8. ↑9. HCl 10. Spherical11. 4p 12. Atomic radius/size13. 12 14. Sodium15. 1s22s22p63s1 16. 317. [Ar]4s13d10 18. Maxwell Planck19. 1, 2, 3, 4 20. (n–1) 21. Dumbell22. 2n2 23. Angstrom24. Photon 25. 6.625 × 10–27 Erg/sec26. Increases 27. Nodal Plane28. Pauli's 29. Electron volts30. Pairing 31. Aufbau principle32. Orbital 33. nh/2π
Answers:1. HCl 2. Pyramid 3. Linear4. C2H4 5. 105° 6. Water7. Pyramid 8. Trigonal bipyramid9. Covalent bond 10. Ionic bond11. p–p 12. One, two 13. Two14. Less 15. Sigma 16. π17. Only 1 18. H+ ion 19. p–p20. Four 21. 8 22. One23. Tetrahedron 24. 90°
Answers:1. Seventh 2. Dobereiner 3. Two4. Decreases 5. Li, Na, K6. Lanthanoids 7. Actinoids 8. VIIA9. Pauling 10. Atomic Weight11. Alkaline earth metals12. Representative elements13. Transition elements14. Inner Transition elements 15. VI16. VII 17. Cesium 18. Reduction19. Electron volts20. 10–13cm (or) 10–15 metre21. 23.04 KCal/mole 22. Scandium23. Eko Aluminium 24. John Newlands25. ns2np6 26. Atomic Weight27. Nelson 28. ns1 29. Neon30. Atomic Number31. Boron in Boron trifluoride32. Francium 33. Radium
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1. Ore of Magnesium is ______(March-2008, June-2009)
2. Formula of Dolamite is ______(March-2009)
3. ______ element forms peroxide withmore oxygen besides oxide also.
(April 2008)4. The formula of magnesite is ______
(June-2007)5. ______ is used as cathode at the time of
extraction of magnesium by electricmethod. (March-2007)
6. Reagent used at the time of extraction ofBeH2 from BeCl2 is ______ (June-2006)
7. In order to increase the conductivity ofanhydrous MgCl2 ______ and ______ areadded. (March-2000)
8. Number of water molecules present inEpsom salt is ______ (Octber-1999)
9. Alkaline earth metals are _____10. [Ar]4s2 is the electronic configuration of
______11. Most unstable hydride among MgH2,
BaH2 and BeH2 is ______12. Anode used during electronic reduction
of MgCl2 is ______13. Number of water molecules removed
initially from carnolite is ______14. Ore of Beryllium is ______15. Ore of Barium is ______16. Nature of CaO is ______17. Alkaline earth metal used in crackers is
______
1. If 10 grams of Na2CO3 is added to 190grams of water the weight percentage ofsolution is ______
(March-2009, June-2009)2. The solubility of NaCl ______ with the
increase of temperature. (June-2009)3. If 4 ml of alcohol is added to 36 ml of
water the volume % = ______(June-2006, 07, 08)
4. The molecular weight of Na2CO3 is______ (March 2008)
5. If 12 grams of Na2CO3 is present in 120
grams of solution the weight % = ______(April-2008)
6. Weight of exalic acid present in100 ml of0.2M oxalic acid solution is ______(March-2007)
(M.W. of oxalic acid is 126)7. If 10 grams of Na2CO3 is present in 120
grams of solution the weight % = ______(June-2005)
8. Solubility depends on ______, ______factors.
9. Solvent in aqueous solution is ______ 10. Substance whose solubility decreases
with the increase of temperature is _____11. Solubility of gases ____ with the increase
of temperature.12. Molecular weight of H2SO4 is ______ 13. Example for polar solvent ______ 14. Example for non-polar solvent is ______ 15. Naphthalene dissolves in _____16. Acetic acid is a ______ electrolyte17. If 2 moles of Na2CO3 is added to 3 moles
of water, the mole fraction of water is______
18. Weight of solute dissolves is 100 gramsof solvent at constant temperature is ____
19. ______ solutions are unstable.20. ______ are absent for V%, Wt% and
mole fraction.21. Molarity depends on ______
22.
23.
24.
25. (V in litres)
26. Substances like NaCl, NaNO3, Na2SO4,KCl, BaCl2 ______ when they dissolve inwater.
27. CH3COOH, NH4OH dissolve ______ inwater and hence they are ______
28. When _____ increases for _____ of weakelectrolytes the ionization increases.
29. Compounds like glucose, sucrose andurea dissolve in ______ but dont ______hence they are called ______
30. Vinegar is ______ 31. Formula of Naphthalene is ______
1. The concentration of [H+] in a solutionof pH = 6 is ______ (June-2009)
2. MgO contains ______ nature(March-2009)
3. Ionic product of water at 25°C is ______ (June-2009)
4. KW value varies with ____(March-2008, June-2005, 07, 09)
5. If pH > 7 then the solution is a ______ (April 2006, 08)
6. Methyl orange shows _____ colour in thepresence of acid.
(March-2007, June-2007)7. Phenaphthelein shows ______ colour in
the presence of a base (March-2001)8. If pH = 8 then H+ ions concentration is
______ (March-2003)9. Heat of neutralysation observed when a
strong acid reacts with a strong base is______ (March-1999, June-2005)
10. pH value of a pure water is ______(June-2003)
11. If pH is 10 then [H+] = ______(March-2004, June-2002)
12. Formula of acetic acid is ______(March-2000)
13. H2SO4 + Ca(OH)2 → ______(March-2004)
14. ______ formed when non-metallic oxidesdissolved in water.
15. ______ formed when metallic oxidesdissolved in water.
16. ______ proposed theory of acids & basesionization.
17. Substances that gives OH– in the presenceof water is ______
18. Concentration of H+ ions at 25°C in wateris ______ ions/litre
19. ______ introduced the term pH20. pH value of gastric acid is ______ 21. Combination of H+ and OH– ions is
______ 22. Acids or bases that completely ionize in
the presence of water ............ ______ 23. As the pH increase from 7 to 14 the
nature of ______ increases24. As the pH values decreases from 7 to 1
the ______ character increases.25. Ionization energy during CH3COOH →
CH3COO– + H+ is ______ K calories.
1. The bond length of C – C ingraphite is _____ (March 2009)
2. Dry ice is _____(March'08, April'08, June'06)
3. Formula of Alkyne is _____(March 2008)
4. C8H18 is the example of that is ____(June 04)
5. Alkanes participate in ______ type ofreactions (June 2007)
6. Refractive index of diamond is _____(March 07)
7. Alkenes participate in _____ type ofreactions (March 07)
8. No. of carbons present in Hexane is_____ (June 2006)
9. Important component present in cookinggas is ______ (June 2006)
10.
(March 03)
11. –COOR is the functional group of_______ (March 04, 02, 00. June 05)
12. Alkane among C4H10, C4H8, C4H6 AND
C6H6 IS ____ (March 99)13. C–COOR functional group present amo-
ng CH3COOC2H5, C3N7NH2 CH3CHO,CH3COOH is _____ (June 2001)
14. ______ indicates the functional group ofketones (Jan2002)
15. Functional group –NH2 indicates _____ (March 2003)
16. Metal used in identifying functional
Fe O 3CO ________ _______2 3∆+ → +
.................... 1Molarity
Molecular Weight V= ×
.............Molarity (Vin litres)
V=
......................% 100
Volumeof solution= ×
Weightof soluteW% 100
..............= ×
SOLUTIONS
ALKALINE EARTHMETALS
Answers:1. Carnolite (or) Magnesite2. CaCO3MgCO3
3. Barium 4. MgCO3 5. Iron tank6. LiAlH4 7. KCl, NaCl 8. 79. Be, Mg, Ca, Sr, Ba and Ra10. Calcium 11. BeH2 12. Graphite13. 4 14. Beryl 15. Barytes16. Basic 17. Magnesium
Answers:1. 5 2. No change 3. 104. 106 5. 10 6. 2.5 grams7. 1000/1208. Solute, Solvent, Temperature9. Water 10. Ce2(SO4)311. Decreases 12. 98 13. Water14. Kerosene, Benzene, Alcohol15. Kerosene 16. Weak 17. 3/5 or 0.618. Solubility 19. Super saturated20. Units 21. Temperature22. Weight of solution 23. Volume of solute24. n 25. Weight of solute26. Ionize27. Partial, weak electrolyte28. Temperature, dilute29. Water, Ionization, Non electrolytes30. Dilute acetic acid 31. C10H8
ACIDS - BASES
Answers:1. 10–6 2. Base
3. 1.0 ×10–14 mole ion2/litre
4. Temperature 5. Base
6. Red 7. Pink 8. 10–8
9. 13.7 KCal/mole 10. 7
11. 10–10 12. CH3COOH
13. CaSO4 + 2H2O 14. Acids
15. Bases 16. Arhenias 17. Bases
18. 1×10–7 19. Sorenson
20. 1 to 2 21. Neutralization
22. Strong acid, strong bases
23. Basicity 24. Acids 25. 0.3
CHEMISTRY OFCARBON COMPOUNDS
ChemistryACIDS - BASESSOLUTIONS
Solvent in aqueous solution is?
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ChemistryOILS - FATSCARBOHYDRATES
group of alcohol is ____ (March 2006)17. The functional group of Aldehyde is
_____ (March'99)18. CH4 + 2O2 → ____ + _____ (March'99)19. HC ≡ CH + 2Cl2 → ______ (March'99)20. Expreses the equation for the Hydrolysis
of calcium carbide to give acetylene______ (March'02)
21. Balanced equation of the dissociation ofNaHCO3 when it is heated is _____
(June'03)22. Alkene participate in additional reactio-
ns because it contains _____ (March'04)
23. Name of –CO–NH bond is _______(March'04)
24. The process of forming dry ice by suddenexpansion and cooling of CO2 is called as_____
25. The best conductor of electricity amongAnthracite, Coal, diamond and graphite is_________
26. The hardest substance in nature is________
27. Gas that is used in turning the raw fruitsinto fruits artificially is ______
28. C60 Buck minster pullarin is a _____ typeof structure.
29. No. of cycles present in C60 is _______30. Scientists who got noble prize on the
study of C60 are ________31. Element contains more catenation power
is ________
1. Enzyme that divides Glucose is _____ (June'09)
2. Sweetest available sugar is ______(April'08)
3. Defacation means addition of ______ (June'06, 07, 08) (June'01)
4. In the fermentation of molases ______micro organisms are used.
(June'07, March'07)5. _____ and _____ are the example of seed
which gives oils (March'07)6. The spent cane sugar is called as ______
(June'06)7. Example for a polysacharoid is ______
(June'03)8. ____ is reduced by the glucose in tollens
test (June'00, 04)9. Which is not a biproduct among Bagase,
Press mud, Sugar and molases in sugarindustry _____ (March'05)
10. _____ is present in Benedict solution (Oct'99, March'02)
11. _____ seperate sugar crystals from canesugar juice (June'07)
12. Substances formed by glucose duringfermentation _____
(June'07, 00, March'07)13. Biproduct during the production of
alcohol is _____ (June'03)14. Ammonical silver nitrate solution is
called as _____ reagent (Oct'99)15. Aldoze means ____16. Number of carbons in Hectose is _____17. By adding _______ rectified spirit turns
into absolute alcohol.18. No. of water molecules in Magnesium
sulphate is ______19. Identify Aligosacharoid among maltose,
glucose, fructose and manoze is _____20. The precipitate obtained after defac-
ation, carbenation and sulphitation is_____
21. _____ is extracted from country dates.22. Enzyme that divides sucrose is ______23. ____ is identified with Iodine test24. No. of water molecules present in copper
sulphate is ______25. The process of turning huge molecules
into minute molecules is called as ______26. Alcohol percentage in wash is _____
27. Alcohol that causes blindness is ______28. Temperature required at the time of
fermentation is ______29. Another name for a dipole ion is _____30. Siekel cell anaemia is a type of _____
disease.31. ______ plays important role in the
structure of animal cell.32. ______ type of carbohydrate is present in
cloth.
1. In shaving soap ____ is morepresent (March'03, 01, June'02)
2. Catalyst used in the hydrogenation of oilsis ____ (June'02, March'02, 99)
3. Soaps remove bad smell contain _____ (June'06)
4. 2Na3PO4 + 3CaCl2 → 6NaCl + ______(March'00)
5. Formula of linoleinic acid is ______(June'01)
6. The process of turning unsaturated oilsinto saturated oils is called as ______
(March'01)7. Detergent are used even with hardwater.
Because _____ (June'02, 04)8. The formula of stearic acid is ______
(June'08)9. Cation that present in the soap of dry
cleaning is _____10. Salts of fatty alcohol sulphates are _____11. Chemically oil & fats are ______12. Formation of soap process is called as
_____13. Saponification ______ is the biproduct14. Salts of fatty acids is ______15. Cardliver oil is useful _________16. Salt present in cloth cleaning soaps is
_____17. Greeze contains _____ salts.
1. Example for a mixed fertilizeris _____ (June'09, 08)
2. Cement is the mixture of ______(June'09, 08)
3. Cold cream is the _____ of water and oil(June'08, March'06)
4. _____ is the example of Auxochrome(March'08)
5. Glass blowing is possible with ____ glass(June'06, May'08)
6. _____ is used as refrigerator lining(March'08)
7. Drugs which act on blood circulation are_______ (April'08)
8. The action of chromophore is ______(April'08)
9. _____ type of glass is used for thepreparation of laboratory glassware.
(April'08)10. The process of cooling gas is called
_______ (March'07, 06, June'07)11. ______ holds materials together by
surface attachment (June'07)12. Objects of Terrakota are _____ (June'06)13. Scientist who prepared dye at first
artificially is ______ (June'03)14. The chemical formula of talc is _____
(June'05, 07)15. Materials required for the preparation of
glass are ______ (March'99)16. Artificial rasin among Rosin, Decron,
Cellulose acetate is _____17. Plastic used in the manufacture of pipes
is ______18. Natural gelatin from milk protein is
_____19. _____ is used in the preparation of ice
cream cups.20. Nitrophosk is a _________21. Dye which doesn't require the help of
other substances is ______22. _______ discovered artificial dye.23. Use of adding cullet to glass is _____
Chemically Oil and Fats are?Answers:
1. Free stearic acid 2. Nickel
3. 3,4,5 tri bromo salicylamide
4. Ca3(PO4)2 5. C17H29COOH
6. Hydrogenation
7. doesn't form precipitate with Ca2+, Mg2+
but gives froth
8. C17H35COOH
9. Triethanol Ammonium Salt
10. Detergents
11. Tryesters of glucerol and fatty acids
12. Saponification 13. Glucerol
14. Soaps 15. Medicine 16. Na+
17. Li+
Answers:1. Zymase 2. Fructose 3. Ca(OH)2
4. Yeast 5. Groundnut, sunflower
6. Bagase 7. Starch, Cellulose
8. Ag+ ions into Ag 9. Sugar
10. Copper sulphate 11. Centrifuge
12. Ethyl alcohol + CO2 13. CO2
14. Tollens reagent
15. Polyhydroxy aldehydes 16. 6
17. CaO 18. 6 19. Maltoze
20. Press mud 21. Country dates spirit
22. Invertase 23. Starch 24. 5
25. Fermentation 26. 15 - 20%
27. Methyle alcohol 28. 30°C
29. Zwitter ion
30. ineffective haemoglobin 31. Protiens
32. Polysacharoid
CARBOHYDRATESAND PROTEINS
OILS - FATS
CHEMISTRY AND INDUSTRY
Answers:1. 1.42Å 2. Solid CO2
3. Cn . H2n – 2 4. Alkene (octane)
5. Substitution reactions 6. 2.417. Additional reactions 8. "6"9. Butane 10. 3Fe + 3CO2
11. Ester 12. C4H10
13. CH3COOC2H5 14.
15. Amine 16. Sodium17. –C–CHO18. CO2 + 2H2O + 212.8 K.Cal
19. Cl2CH – CHCl220. CaC2 + 2H2O → Ca(OH)2 + C2H2
21. 2NaHCO3 → Na2CO3 + H2O + CO2
22. Presence of double bend 23. Peptide24. Joules Thomson effect 25. Graphite26. Diamond 27. Acetylene28. Foot ball 29. 3230. HW Crowto, Re Smali 31. Carben
C = O
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24. Dyes include C=O group are _______25. Chemical curing drugs act on ______26. Hard ball of greyish cement are called as
______27. Cullet means _____28. Polymers of carbon substances are called
as _____
29. Chemically gypsum is _____30. Example for artificial adhesive _____31. Dyes used in the neutral media are called
as ______32. ____ is prepared from limestone and clay.33. Substance that is added in a small
quantity to grow plants is called as _____34. Petrolium products that are formed by
chemically are called as _____35. Petrolium refinery is located at _____ in
AP.36. Slip nature of powder is caused by _____37. Combs are prepared from _____38. Rain coats are prepared from _____39. Substances that are used in diagnosis,
confirmation and remedy of diseases arecalled as _____
40. _____ is added for the powdered clinker.
1. Draw a neat diagram of a screw gaugeand label it's parts.
2. Draw a neat diagram of magnetic lines offorce when N-pole of a bar magnet isfacing south pole of earth. Locate thenull points.
3. Draw the following diagrams showing“Zero error of screw gauge” a) No Zeroerror b) Negative new error c) Positivezero error
4. Sketch the diagram of Rutherford’sAtomic model and label its parts
5. Draw and label the diagram showingvarious regions of electromagneticspectrum and their wave length ranges.
6. Draw a neat diagram of magnetic line offorce when N-pole of a bar magnet isfacing North pole of earth. Locate thenull points.
7. Draw a neat diagram of Nuclear Reactorshowing various parts.
8. Draw a block diagram of TV broadcasting.
9. Draw a block diagram of Radio Broadcasting.
10. Draw the figure of Ripple tank and lablethe parts
11. Draw the figure of AC Dynamo12. Draw the figure of p-type of semi
conductors.13. Draw the figure of n-type of semi
conductors14. Draw the symbols of both p-n-p and n-p-
n transistors15. Draw the block diagram of computer.
1. What are the negative and positive errorsof the Screw gauge? How are theydetermined?
2. How do you determine the diameter of awire using screw gauge?
3. Derive universal law of gravitationcalculate the gravitational force of astone of mass 10kg.
4. Derive the relationship betweenacceleration due to gravity and universalgravitational constant. (or) Differencebetween “g” and G.
5. Describe an experiment to determineacceleration due to gravity by a simplependulum.
6. Derive the banking angle Tan θ = v2/rg7. Distinguish between centripetal and
centrifugal force.8. Describe the phenemenon of resonance
with examples.
9. What are the differences betweenprogressive waves and stationary waves.
10. What are the important applications oflaser light in science and Technology?
11. Describe a ripple tank. How does it helpin understanding the reflections andrefraction of light.
12. What are the main parts of an actuallaser.
13. Distinguish between Newton corpusc-ular theory and wave theory of light.
14. What are the important applications oflaser light in medicine, industry andspace science?
15. Explain Para-Dia and Ferro magneticsubstances. Give two examples of eachtype.
16. Distinguish between dia-magnetic andPara magnetic substances.
17. Define the terms a) Mageneticsusceptibility b) Magnetic permeability.Compare the relative values of relativepermeability and magnetic susceptibilityof Dia and Ferro magnetic substances.
18. What are the essential ideas of Ewing’smolecular theory of magnetism? Whatare the reasons for its failure?
19. Compare the values of relativepermeability and Magnetic susceptibilityof Dia, Para and Ferro magneticsubstances.
20. Derive the relation ship V1/V2 = i2/i1 fortransformer.
21. What are ohmic and non ohmicconductors? Give examples? The p.dacross a bulb is 240v, When a current of3 amperes flows through it. Find theresistance of the bulb?
22. Derive an expression for equivalentresistance of parallel combinations ofthree resistances R1, R2 and R3.
23. Describe an experiment to verify Fara-day’s second law of electrolysis. Mentionany two applications of electrolytes.
24. State Ohms law. Describe an experimentto verify Ohms law.
25. Show that effective resistance of a seriescombination in a circuit is equal to thesum of the individual resistance.
26. Derive R=R1+R2+R3.27. State the law of Resistance.28. Show that the reciprocal of the effecting
resistances of parallel combination in acircuit is equivalent to the sum of theirreciprocals.
29. Define Joule’s law, Derive Q = i2Rt/J30. Explain the construction of a transformer
with a neat diagram.31. Calculate the mass defect in the
formation of 2He4. How do you accountfor mass defect of an atom?
32. Describe the Rutherford's gold foil
experiment with a diagram. Mention itsimportant features.
33. What are isobars and Isotones? Explainwith examples.
34. What is the principle of a nuclearreactor? How does it work?
35. Compare the properties of α, β, λradiations.
36. What is chain reaction? How is a chainreaction controlled in Nuclear Reactor?
37. What are the users of radio isotopes?38. Explain the following
a) Extrinsic semiconductorb) Doping c) Transistord) Energy bond
39. Explain different stages of TVcommunication with a block diagram.
40. Draw the symbol of transistor. State theproperties and user of a junctiontransistor.
41. State the properties of a junction Diode.42. How do you classify the solids,
electrically?43. Draw the block diagram of a computer?
Describe the functions of each compo-nents.
44. Explain the p-type and n-type ofconductors.
45. State the properties and user of junctiontransistor.
1. What is the principle of screw gauge?2. Write Newton’s law of universal
gravitation calculate the gravitationalforce on an object of mass 10kg.
3. Difference between mass and weight of abody.
4. A body is projected vertically upwardswith a velocity of 2m/s. Find themaximum height reached by the body (g= 10m/s2)
5. What is the angular velocity of the earthabout its own axis?
6. What is the principle of launching asatellite into an orbit?
7. What is the necessity for banking ofroads?
8. Distinguish between a rotatory motionand a circular motion.
09. Explain the working of a laundry drier.10. What are the similar characters of
centripetal and centrifugal forces?11. What is simple harmonic motion? What
are its characteristics?12. What is centrifuge? How does it work?13. What are the uses of hard x-rays?14. Draw the diagram of electromagnetic
ware.15. Distinguish between node and antinode.16. Mention few incidents of resonance
Answers:1. Nitrophosk2. Calcium silicate and Calcium
aluminate3. Emulsions 4. –NO5. Pyrex glass 6. Polysterein7. Cardio vascular8. Sticks dye to the thread9. Pyrex 10. Annealing11. Adhesives 12. Porous13. WH Perkin 14. Magnesium silicate15. Sand 16. Dacoron17. Polyvenyl chloride 18. Rasin19. Soyabeans adhesive20. Mixed fertilizer21) Acid dyes, Basic dyes, Direct dyes22. Perkin 23. Reduces melting point24. Chromophores 25. Protozoa26. Clinker 27. broken glass pieces28. Rasins 29. Calcium sulphate30. Urea, formaldehyde rasin31. direct dyes 32. cement33. microfertilizers 34. Petrochemicals35. Visakhapatnam 36. Magnesium silicate37. Pastyrin 38. Polythene39. Medicines 40. Gypsum
Physics5 Marks Questions
4 Marks Questions
2 Marks Questions
Physics & ChemistryIMPORTANT QUESTIONS
Main Parts of Actual Laser?
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12
SOMECONSTANTS
Least count ofa Screw gauge= 0.01mm
G = 6.67 × 10–11 Nm2Kg–2
g = 9.8m/sec2 (on earth) Mass of the earth M = 6 × 1024 Kg Radius of the Earth r = 6.4 × 105 m The distance between moon and the earth
3.85 × 105 Km g value on Sun 27.4 m/sec2
g value on moon = 1.67m/sec2
Time period of a seconds pendulum = 2 sec Velocity of light in vacuum = 3 × 108 m/s Wave length of Sodium vapour lamp = 5893 Å The band width of an ordinary laser is of
the order of 10 Å The band width of a high quality laser is 10–8 Å The wave length of Ruby laser is 6943 Å The wave length of He -Ne laser is 6328 Å Permeability of free space or vacuum µ0 =
4π × 10–7 Henry/meter 1 Tesla = 104 Gauss The value of B0 in AndhraPradesh is B0 =
0.39 × 10–4 Tesla J = 4.185 Joules Mass of proton 1.0078 amu Mass of neutron 1.0087 amu 1 amu = 931.5 × 106 ev = 931.5 Mev 1 Mev = 1.6 × 10–12 J 1 Kg = 9 × 1016 J 1 Joule = 1.11 × 10–17 Kg Energy released in Nuclear fission = 200Mev The value of Energy gap for Pure silicon is
1.1ev The value of Energy gap for pure
germanium is 0.72ev The frequencies used in Radio
communication are 300KHz to 30 MHz The frequencies used in TV
communication are 30MHz to 300 MHz Planck's constant h = 6.625 × 10–27 erg sec
or 6.625 × 10–34 Joule .sec mass of electron me = 9.16 × 10–31Kg Charge of electron (e–) = 1.602 × 10–19
Coulomb e/m of electron = 1.76 × 1011 C/Kg If PH < 7, Acid If PH > 7, Base If PH = 7, Neutral Density of Diamond = 3.51 gm/cc Refractive index of Diamond = 2.41 C – C Bond length in Diamond = 1.54 Å Bond angle in Diamond = 109°28' Density of Graphite = 2.25gm/cc C – C Bond length in Graphite = 1.42 Å Bond angle in graphite = 120° The distance between two successive
Graphite layers is 3.35Å
1. Pitch of the Screw = Distance traveled by
the tip of the screw/No. of rotations made
2. Least count of Screw gauge = Pitch of the
screw / No. of head scale divisions
3. Diameter of a wire using screw gauge (d)
= PSR + (HSR x LC)
4. Universal Gravitational constant
G = Fr2/m1m2
5. Relation between G and g is g = GM/r2
6. Weight of an object w = mg
7. Hook's law l–l0 /F = Constant
8. Maximum height reached by a vertically
projected body H = U2/2g
9. Time of Ascent t1 = u/g
10. Time of descent t2= √2h/g of t2 = u/g
11. Time of flight T = 2u/g
12. Velocity of a freely falling body on
reaching the ground V = √2gh
13. Relation between V, and ω is V = rω14. Angular momentum L = mvr or mω r2
15. Centripetal acceleration a = v2/r
16. Centripetal force F = mv2/r or mω 2r
17. Angle of banking Tanθ = V2/rg
18. Formulae to find 'g' using simple
pendulum is g = 4π2 l/T2
19. Distance between a node and next
antinode is λ/4
20. Distance between two successive nodes or
two successive antinodes is λ/2
21. Velocity of sound in air from resonating air
column is V = 2η(l2–l1).
22. Relation between v, n, λ is V = nλ23. :Laplace formula to find the velocity of
sound in air is V= √γP/ρ24. Length of air column at first resonance l1 =
λ/4
25. Length of air column at second resonance
l2 = 3λ/4
26. Inverse square law of magnetism F = µ0/4π. m1m2/r
2
27. Relative permeability µr = µ/µ0
28. Magnetic moment M = m × 2l
29. Relation between B and H is B = µ0 H
30. Magnetic field induction at a point on axial
line is
31. Magnetic field induction at a point on
equatorial line
32. Susceptibility χ = I/H33. Current I = q/t34. Potential Difference V = W/q35. Ohm's law i=V/R36. Effective resistance of two or more
resistors connected in series R = R1 + R2 +--------
37. Effective resistance of two resistorsconnected in parallel R = R1 R2/R1 + R2
38. Specific resistance ρ = RA/l39. Heat produced due to passage of current
through a conductor is Q = i2Rt/J40. Electrical power P = Vi41. Electrical energy W = i2Rt42. Faraday's First law of electrolysis m = Zit43. Faraday's Second law of electrolysis
m1:m2:m3 = E1: E2: E3. = Z1 : Z2 : Z3
44. Magnetic induction at a point near astraight current carrying conductorB = µ0i/2πr
45. Force on a current carrying conductor in amagnetic field F = ilB
46. Faraday's law of electro magneticinduction ε = –N(d∅ B/dt)
47. Inductance of a coil
48. Transformer rule n1/n2 = v1/v2 = i2/i149. Bohr's quantum condition I = nh/2π50. Mass energy equivalence E = ∆mc2
51. Binding energy B.E. = ∆m × 931.5 Mev52. Actinium series 4n+353. Uranium seires 4n+254. Neptunium series 4n+155. Thorium series 4n56. Angular momentum mvr = nh/2π57. Total number of orbitals present in a given
stationary orbit = n2
58. Total number of electrons in a givenstationary orbit = 2n2
59. For a given l value, the number of 'm'values are (2l+1)
60.
61.
62.
× 1/V in litres
weight of soluteMolarity(M)
gram molecular weight of solute=
volume of soluteolume percentage 100
volume of solution= ×
weight of soluteweight percentage 100
weight of solution= ×
Ldi / dt
−ε=
03
MB N / A m
4 d
µ ×= −
π
03
2MB N / A m
4 d
µ ×= −
π
Important Formulae
A.Naga Raja SekharScience Teacher,
ZPHS, Kothagudem
UNITSQUANTITY UNIT
G Nm2Kg-2
g m/sec2
Mass (m) Kg (MKS), gm (CGS)Weight (w) N(MKS), dyne (CGS)Velocity (v) m/secAcceleration (a) m/sec2
Angular displacement(θ) RadianAngular velocity(ω) Radian/secFrequency HertzSolid angle SteradianLuminous flux (ϕ) LumenLuminous intensity (I) Candela(or)Lumen/SrMagnetic pole strength(m) Amp-meter(S.I),
Weber (MKS)Magnetic moment(M) Amp-meter2(S.I)Magnetic induction(B) N/Amp-meter(S.I),
Tesla(or)Weber/m2(MKS)Intensity of magnetic Amp/Meterfield (H)Magnetic flux (ϕ) WeberMagnetic susceptibility(χ) No unitsPermeability (µ) Henry/meterRelative permeability(µr) No unitsIntensity of magnetization(I) Amp/meterCurrent (i) AmpereCharge (q) CoulombPotential Difference(V) VoltE.M.F(e) VoltElectrical Resistance(R) Ohm (Ω)Specific resistance(ρ) Ohm-meterSpecific heat(s) Cal/gm°CElectric power(p) Volt-amp (or) wattMechanical equivalent Joules/Calorieof heat (J)Electrical energy(W) Watt-sec (or) KWHElectrochemical Gm/Coulombequivalent(z)Self inductance (L) HenryMutual inductance HenryConductance Mho/meterAtomic mass unit AmuEnergy EvPlanck's constant Erg.sec (or) Joule.secIonization energy (e) Ev (or) K.cal.Mole–1
(or) K.Joule.mole–1
Atomic radius A°(or) atomic sizeElectron Affinity Ev (or) K.cal.Mole–1
(or) K.Joule.mole–1
Electro negativity Pauling E.N.ScaleConcentration of Mol/litsolutionMolarity Mol.lit–1
Mole fraction No unitsHeat of Nuetralization K.Cal/moleIonic product of water(Kw) Mole. Ion2 lit–2
Calorific value Cal/gm (or) cal/mole
Electro magnetic Wave length
radiation range
Visible spectrum 0.4µm ----- 0.7µm
Infra red spectrum 0.7µm ---- 100µm
Micro waves 10µm ----10m
Radio Waves 1 metre ---- 100 k.m.
U.V.Spectrum 0.4µm -----1 N.m
X-rays 0.01Å ---100Å
Gamma rays 0.001Å----1Å
Some Alkanes
MethaneCH4
Ethane C2H6
Propane C3H8
Butane C4H10
Pentane C5H12
Hexane C6H14
Some Alkines
Ethene C2H4
Propene C3H6
Butene C4H8
Pentene C5H10
Hexene C6H12
Some Alkenes
Ethyne C2H2
Propyne C3H4
Butyne C4H6
Pentyne C5H8
Hexyne C6H10
FUNCTIONAL GROUP NAME EXAMPLE-C - OH ALCOHOL CH3OH-C- CHO ALDEHYDE CH3CHOC = O KETONE CH3COCH3-C - COOH ACID CH3COOH- -C- O - C ETHER CH3OCH3- C - NH2 AMINE C3H7NH2-C - COOR ESTER CH3COOC2H5
Functional Groups
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