D F - KS Thong's Blog | PHYSICS IS INTERESTING · PDF fileSEMINAR FIZIK SPM 2012 ... Manometer...

SEMINAR

FIZIK SPM

2012

PENCERAMAH THONG KUM SOON

SMK SG LONG, CHERAS

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SMK SERI HARTAMAS

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Tips for Paper 3 No 1 and No 2

1. Identity the variable from the text and diagram. (a) Manipulated variable (b) Responding variable (c) Fixed variable (can be measured)

---NOT TYPE OF SUBSTANCE

(d) Observe the diagram measurement (e) Identity the value in table (f) Tabulate data with symbol and unit (g) Plan your graph (unit and symbol) (h) Determine the relationship from the graph

2. Read the question CAREFULLY (a) Extrapolate the graph and write the value next to it (b) Plot biggest triangle and get closest value with unit (c) Substitute the value correctly with 2 decimal places (d) Place precaution

Observe the reading perpendicular to the eyes to prevent parallax errors

Off the circuit when measurement is not taken to prevent heating of wires and cause systematic errors

Repeat the experiment for 3 times and determine the average to prevent systematic error

3. Tips Paper 3 no 3 and 4. (a) Planning experiment is the BEST to do and EASY to score but it is also easy

to differ from the main point. (b) Identify variables from the questions from the statement, CIRCLE UP the

variables involve and APPARATUS GIVEN in statement. (c) Think what ???? experiment is using given apparatus as a HINTS. Plan and

sketch the diagram of experiment step up. (d) Write inference, hypothesis and aim FOLLOW FORMAT given.

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Underline the variables of MV and RV from the diagram. Use the variables to substitute the format of Planning Experiment. Procedure

1. State the initial measurement of MV. 2. State the ways of measurement of RV with apparatus and follow with formula (if

necessary) 3. Repeat the experiment with 4 different MV values. a1,a2,a3 and a4.

Sample Paper 3

Questions no 1

a. Manometer measurement (pressure and height) (MRSM 2008) b. Protractor (Refraction) c. Interferens (measure distance of separation)(DIAGNOSTIK KL 2010)

Questions 2 (Graph)

a. Light of lenses (f1 =

v1 +

u1 )

b. Internal resistance ( negative graph) c. Refractive index (sin i vs sin r) d.

Questions 3 and 4 (Planning Experiment)

1. MRSM ---R and length, R and area (thickness of wires , S.W.G.) 2. Gas law Charles and Boyle’s Law 3. Pressure and height ( density) 4. Archimedes (Buoyance force)

Questions 3 (Form 4)

a. Pressure with height (measurement with manometer – u Tube, thristle funnel)

b. To investigate the relationship between the pressure and the temperature ( Pressure law’s- Bourdon gauge and thermometer)

c. To investigate the relationship between the sine of incident angle ,i and the sine of refracted angle, r

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Questions 4 (form 5)

a. To investigate the relationship between the distance between two sources and distance

between two separation, a x1

b. To investigate the relationship between the area cross sectional of the wire, A , (length ) and the resistance, R of the wire

Paper 2 Part B

1. Definition – don’t state the formula of the define word - Write the definition in statement from the formula

2. Comparison questions – must use back the same diagram to compare in physics term comparison. Quote back the Diagram number, and compare with statement according to the marks provision.

3. Explanation on aspects given. Must quote back the aspect given, don’t divert the statement by explaning other statement of your ways.

Explain the characteristics of the statement given follow ( 1 marks) with explanation of the benefit and advantages of the characteristics stated. (1 marks)

More explanation are better, usually TWO are more than enough.

Part C

1. Usually calculation, and definition. Please state formula, working and final results with minimum 2 decimal places and correct units.

2. Explanation of physics concepts, usually test your understanding of physics formula relationships.

3. Study specification on the aspects given and evaluate the pictures given to extract the answer from the information given. Quote the information of point of answer and elaborate the statement of characterics with physics concept explanation.

4. Try to give TWO explanation of each characterics in a statement. (4 points with 4 explanation) – 8 marks

5. Final 2 marks is the explanation of the BEST suitability and CHOOSE the BEST of the 4 or 5 given examples.

6. This characteristics and explanation can states in a table form. (THE BEST EVER ESSAY for 10 marks)

7. Choose the best essay than you can get the MOST marks. 8. Essay in Part B and Part C is usually ONE form 4 and ONE form 5. So DON’T SPOT

QUESTION. Study all the physics concept.

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SULIT 4 4531/2

2 Diagram 2 shows a hot air balloon floating stationary in air. Two forces involved are weight and upthrust.

4531/2

Rajah 2 menunjukkan sebuah bel on udara panas terapung pegun di udara. Dua daya yang terlibat ada/ah berat dan tujah Ire atas.

Weight Berat

Upthrust Tujah lal atas

Diagram 2 Rajah 2

(a) What is the meaning of weight? Apakah yang dimaksudkan dengan be rat?

(b) Using the forces in Diagram 2 explain why the balloon floating stationary in air Menggunakan daya-daya da/am Rajah 2 terangkan mengapa belon terapung pegun di udara.

(c) The weight of the balloon is 2000 Nand the upthrust is 3200 N. Calculate the acceleration of the balloon. Berat be/on itu ialah 2000 N dan tujah ke alas ialah 3200 N. Hitungkan pecutan be/on itu.

[l mark]

[2 marks]

[2 marh']

[Lihat sebelah SULIT*

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kumsoon

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gravitational force / W = mg

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weight = upthrust net force is zero

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3200 - 2000 = 1200 a a= 6 ms-2



SULIT 6

(c) Explain how to measure the wavelength on the white screen accurately. Terangkan bagaimanalrah untuk mengukur panjang gelombang di atas skrin pulih itu dengan tepaJ.

[2 marks]

4 Diagram 4.1 shows a Geiger-Muller tube connected to a counter ratemeter to detect 13 particles emit by a radioisotope P. Riljah 4.1 menunjukkan sebuah Til.:b Geiger-Muller disambunglran kepada meter kadar untuk mengesan zarah-zarah /3 yang dikeluarkan oleh satu radioisotop P.

J· RadioisotorJ P

GMtube nubGM

Diagram 4.1 Rajah 4.1

(a) (i) State the natural properties of 13 particle? Nyatalcan sifat semulajadi zarah f3 ?

Ralemeter Metukadar

4531/2

[l mark]

4531/2

(ii) Explain what happens to reading of the ratemeter when the radioisotope Pis removed? Terangkan apakah yang terjadi kepada bacaan meter kadar apabila radioisotop P dialihkan?

[2 marks]

[I ,ihat sebelah SULIT*


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decrease but not zero background reading, natural radioactive



SlJLIT 7

(b) Diagram 4.2 shows a graph of radioactive activity against time for radioisotope P.

453In

Rajah 4.2 menU1ifuklr:an satu graf aktiviti melawan masa bagi radioisotop P.

t

0 2 .. 6 10 12 14

- t--

Time/Hour All.ua!Jom

(i) Detetmine the half life ofndioisotope P. Show on the graph how you detennine the half life. Tentukan separuh hayat radloisotop P. Trmjukkan pada graf bagaimana anda menentukan separuh hayat.

(ii) Calculate the percentage of the activity after 16 days. Hitungkan peratus alctiviti selepm 16 harL

[2 marh]

[2marh]



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4 hours

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4 half life 6.25 %



SULIT 18

Secdon B BahagiaiiB [20 marks]

Answer any one question from this section. Jawab mana-mana satu soalan daripada bahagian ini.

9 Diagram 9.1 and Diagram 9.2 show two identical polystyrene glasses are filled with hot water at the same temperature. Diagram 9.3 and Diagram 9.4 shows the changes in temperature of the water after 5 minutes the water are cooled. Rajah 9.1 dan Rajah 9. 2 menunjukkan dua biji gelas polisterina diisikan dengan air panas pada suhu yang sama. Rajah 9.3 dan 9.4 memmjuJckan perubahan suJru air itu selepas 5 minit disejuldcan.

Thermometer --- T~rmom1t1r -------l

Diagram 9.1 R4foh9.1

11---- Thermometer T~rmom~ter

Diagram9.3 Rqfah9.3

Diagram 9.2 R4fah9.2

----+1

Diagram 9.4 R4Jah9.4

/

/

(a) State the principle involved when the thermometer measure the temperature of water. Nyatakon prinsip yang terlibat apabila termometer itu digunokan untuk mengukur suhu air.

4531/2

[1 markJ

453112 [Lihat sebelah SULIT*


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thermal equilibrium



SULIT 19

(b) Using Diagram 9.1 and Diagram 9.2, compare the mass ofwater in the both glasses. Using Diagram 9.3 and Diagram 9.4, compare the reading oftbe thermometer and the rate of loss of heat from the water in the glasses after S minutes. Relate tbe mass of water and the rate of Joss of beat .from water to make a deduction regarding the relationship between the mass of water and the quantity of heat in water.

Menggunalran &jah 9.1 dan Rajah 9.2. bandingkanji.sim air dalam kedua--dua ge/as, Menggunalran Rajah 9.3 dan Rajah 9.4. handing .. .an bacaan termometer dan lcadar kehilangan haba daripada air dalam kedua-dua gelas selepas J min it. Hubungkaltjisim air dengan kadar kehilangan haba daripada air untuk membuaJ deduksi tentang hubungan jisim air dengan Jcuantiti haba didalam air.

(c) Diagram 9.3 shows the phenomenon of sea breeze. Rajah menunjukkan fenomena bayu /aut.


Explain how the phenomenon of sea breeze occurs. Terangkan bagaimanafenomena bayu /aut ber/aku.

(d) Diagram 9.4 shows a cooling system of a motorcycle engine. Rajah 9.4 menunjulckan sistem penyejukan sebuah enjin motosikal.

I

•

Diagram 9.4 Rojah 9.4

I

rm Slrip

[5 marks]

{4 marks]

4531/2

453112 [Lihat sebelah SULIT*


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kumsoon

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mass in 9.1 < D9.2 reading thermometer in D9.3 < D 9.4 rate heat loss in D9.3 > D9.4 mass decraese as rate heat loss increases mass increase, quantity heat increase

kumsoon

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specify heat capacity land is lower temp land is higher air above land is rises coller air moves from sea to land



SULIT 20

You are required to modify the fins in Diagram 9.4 so that it can cool the motorcycle engine faster. Ando dikehendaki untuk mengubahsuai sirip pada Rajah 9. 4 supaya ia dapat menyejukkan enjin motruikal dengan lebih cepat.

State and explain the modifications based on the following aspects: Nyata dan terangkan pengubahsuaian berdasarkan aspek-aspek berikut.

( i) the specific heat capacity of the fin Muatan haba tentu bagi sirip

(ii) the melting point of the fin takat lebur sirip

(iii) the rate of expansion of the fin kadar pengembangan sirip

(iv) the heat conductivity of the fin kek.onduksian haba sirip

(v) the number of the fin bilangan sirip

4531/2

[10 marks]

4531/2 [Lihat sebelah SULIT*

.e

.f:


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specific heat capacity is low -faster to get hot melting point is high - does not melt easily good conductor heat- heat can lost easily rate of expansion is moderate -shape of fin unchanged no of fin is many- more heat released



A B 40

30

θ α

Ali

Section C Bahagian C

[20 marks]

[20 markah]

Answer any one question from this section. Jawab mana-mana satu soalan daripada bahagian ini.

11 Diagram 11.1 shows Ali standing at the side of a pond. Ali can see the image of the fish

and the image of the dragon-fly in the water as shown by the ray diagram. Rajah 11.1 menunjukkan Ali berdiri di tepi kolam. Ali dapat melihat imej ikan dan imej pepatung di dalam air seperti yang ditunjukkan oleh rajah sinar. Diagram 11.1 Rajah 11.1

(a) (i) What is the meaning of virtual image ? [1 mark] Apakah maksud imej maya ? [1 markah]

(ii) Explain how Ali can see the image of the fish and the image of the dragon-fly. State the phenomenon of light that is involved in each case. [4 marks] Terangkan bagaimana Ali dapat melihat imej ikan dan imej pepatung. Nyatakan fenomena cahaya yang terlibat dalam setiap kes. [4 markah]

(b) (i) Calculate the angle θ and α .

[ Refractive index of water is 1.33 ] [4 marks] Hitung sudut θ dan α . [ Indeks biasan air ialah 1.33 ] [4 markah]

(ii) State one characteristic of the image of the dragon-fly. [1 mark] Nyatakan satu ciri bagi imej pepatung. [1 markah]

Water

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kumsoon

Sticky Note

image that caanot be shown/ form on screen

kumsoon

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1. Ray of fish refracted at B 1 2. refraction 1 3.ray refracted from dragon at A 1 4. reflection happen 1

kumsoon

Sticky Note

@ = 90-30 @ =60 1.33 = sin */ sin 40 * = 58.75^

kumsoon

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virtual/ same size/ laterally inverted



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15













CONFIDENTIAL 24 4531/2

4531/2 CONFIDENTIAL

10 am 10.1(a) Diagram 10.1 shows one insulated conductor which is moved downwards in a magnetic

field. Diagram 10.2 shows three insulated conductors which are moved downwards in the

magnetic field.

Rajah 10.1 menunjukkan satu konduktor bertebat digerakkan ke bawah dalam medan magnet. Rajah 10.2

menunjukkan tiga konduktor bertebat digerakkan ke bawah dalam medan magnet.

(a) What is meant by electromagnetic induction? [1 mark]

Apakah yang dimaksudkan dengan aruhan elektromagnet? [1 markah]

(b) Using Diagram 10.1 and Diagram 10.2, compare,

Menggunakan Rajah 10.1 dan Rajah 10.2, bandingkan,

(i) The number of conductor wires [1 mark]

Bilangan wayar konduktor [1 markah]

(ii) The deflection of the galvanometer pointer [1 mark]

Pesongan penunjuk galvanometer [1 markah]

Diagram 10.1 Diagram 10.2 Rajah 10.1 Rajah 10.2

Centre-zero galvanometer Galvanometer pusat sifar

Centre-zero galvanometer Galvanometer pusat sifar

Direction of motion of insulated conductor Arah gerakan konduktor bertebat

N S N S

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kumsoon

Sticky Note

electric current generate from cutting of magnetic field line or flux

kumsoon

Sticky Note

10.2 is higher than 10.1

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Sticky Note

10.2 is higher than 10.1

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Typewriter

15















CONFIDENTIAL 25 4531/2

[Turn page over

4531/2 CONFIDENTIAL

(iii) Relate the number of conductor and the rate of cutting of magnetic flux.

[1 mark]

Hubungkaitkan bilangan konduktor dan kadar pemotongan fluks medan magnet.

[1 markah]

(iv) Relate the rate of cutting of magnetic flux and the induced current.

[1 mark]

Hubungkaitkan kadar pemotongan fluks medan magnet dengan arus aruhan.

[1 markah]

(v) Name the physics law involved. [1 mark]

Namakan hukum fizik yang terlibat. [1 markah]

(c) Diagram 10.3 shows the structure of a generator. Explain how the generator can

be used to produce electricity.

Rajah 10.3 menunjukkan struktur sebuah penjana. Terangkan bagaimana penjana itu digunakan

untuk menghasilkan arus elektrik.


[4 marks] [4 markah]

Commutator Komutator

S N

Carbon Brush Berus karbon

Galvanometer

Coil Gegelung

Resistor Perintang

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kumsoon

Sticky Note

higher, higher

kumsoon

Sticky Note

higher , higher

kumsoon

Sticky Note

Faraday's Law

kumsoon

Sticky Note

right hand rule, anticlockwise,current from right to left galvanometer, curve magnet, uniform magnetic field, 1 split ring, one D.C.

kumsoon

Typewriter

16















(c) Table 11 shows the design of five torchlights P, Q, R, S and T. Jadual 11 menunjukkan reka bentuk bagi lima lampu suluh P, Q, R, S dan T. Table 11 Jadual 11 You are asked to investigate the characteristics of the five torchlights shown in Table 11. Explain the suitability of each characteristics of the torchlight and determine the torchlight which can produce a strong parallel beam of light. Give reasons for your choice. [10 marks] Anda ditugaskan untuk mengkaji ciri-ciri bagi lima lampu suluh seperti yang ditunjukkan dalam Jadual 11. Terangkan kesesuaian setiap ciri lampu suluh itu dan tentukan lampu suluh yang boleh menghasilkan satu alur cahaya selari yang terang. Beri sebab untuk pilihan anda. [10 markah]

P

Q

R

S

Concave reflector Pemantul cekung

Bulb beyond principle focus Mentol di luar titik fokus

Battery Bateri

Constantan connecting wire Wayar penyambung konstantan

Bulb at principle focus Mentol di titik fokus Copper connecting wire

Wayar penyambung kuprum

Battery Bateri

Concave reflector Pemantul cekung

Convex reflector Pemantul cembung

Bulb at the pole of the mirror Mentol di kutub cermin

Battery Bateri

Copper connecting wire Wayar penyambung kuprum

Constantant Connecting wire Wayar penyambung konstantan Battery

Bateri

Convex reflector Pemantul cembung

T

Bulb between the two plane mirror Mentol antara dua cermin satah Iron connecting wire

Wayar penyambung besi Battery

Bateri

Plane reflector Pemantul satah

Bulb at the pole of the mirror Mentol di kutub cermin

http://chngtuition.blogspot.com

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kumsoon

Sticky Note

1.concave mirror = converging reflected ray 2. bulb at principle focus=reflected ray in parallel beam 3. batteries connected in series=large current/ voltage 4. copper connecting wire=low resistance/ high current Q= concave mirror, bulb at principle, series batteries and copper wire



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16













SULIT 4531/2

24

( d) Diagram 10.4 shows a simple motor to lift up the load. Rajah 10.4 menunjukkan satu motor ringkas yang digunakan untuk mengangkat beban


Using appropriate physics concept, explain the use of suitable equipments to design a motor which enable to move faster and to bring heavier load.Your answer should include the following aspects:

Menggunakan konsep fizik yang sesuai , terangkan dengan penggunaan perlatan yang sesuai untuk merekabentuk suatu motor yang membolehkan ia bergerak laju dengan membawa beban berat.Dengan menggunakan pengetahuan tentang kesan konduktor membawa arus dalam medan magnet, terangkan cadangan anda berdasarkan aspek berikut:

(i) The diameter of coil Diameter lengkaran [2 marks]

[2 markah]

(ii) The thickness of wire Ketebalan wire [2 marks]

[2 markah]

(iii) The strength of magnet Kekuatan magnet [2 marks]

[2 markah]

(iv) The number of turns Bilangan lilitan [2 marks]

[2 markah]

(v) The shape of magnet Bentuk magnet [2 marks]

[2 markah]


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kumsoon

Sticky Note

use coiled filament- increase length of filament to increase resistance thin wire --produce more resistance and heat large melting point -not easily break up and avoid bulb from blow up low gas pressure-- prevent gas explode at high temperature use copper --increase current flow and reduce resistance



Sl"LIT

4531/3

2

S~tionA BahagilmA


Answer all questions in this section Jawab $eltUUJ soalan dalam bahagian ini.

Time suggestion in this section is 60 minutes Masa yang dicadang/can untuk menjawab bahagian ini ialah 60 min it.

1 A student carries out an experiment to investigate the relationship between the object distance, u and the linear magnification, m, of a convex lens. The apparatus is set up as shown in Diagram 1.1 Seorang pelajar menjalanlcan satu eksperimen untulc mengkaji hubungan antara jarak objek. u dan pemebesaran linear, m. bagi kanta cemhung. Rodas disedialcan seperti Rajah 1.1.

Cross wire Dawai silang

Convex lens !Wnta cembung


Screen Image

v

The object distance, u, is fixed at 30 em and the image distance, v, is measured as shown in Diagram 1.1. The linear magnification, m, is calculated by using equation

v m=

u

4531/3



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SULIT

4531/3

3

Jarak objek, u, ditetaplran pada 30 em dan jarak imej, v, diukur :seperti yang ditunju&n dalam Rajah 1.1. Pembesaran /i~ar. m, dildra dengan menggunaAan persamaan

v m=-

u Experiment is repeated with object distance 25 em, 20 em, 15 em and 10 em. Eksperimen diulang dengan jarak objek 25 em, 20 em, 15 em dan 10 em

(a) For the experiment described above, identifY: Dar;pada penerangan elcsperimen di atas, unalpasti:

(i) The manipulated variable Pembolehubah manipulasi

(ii) The responding variable Pembolehubah bergerak balas

(iii) The constant variable Pembolehubah dimalarltan

[I mark] {1 markah]

[I mark] [I markah]

[1 mark] [1 markah]

Diagram 1.2, 1.3, 1.4, 1.5 and 1.6 shows the position of the lens and the screen for object distance, u, 30 em, 25 em, 20 em, 15 em and 10 em, respectively. Rajah 1.2, 1.3, 1.4, 1.5 dan 1.6 menunjukkan ududukan kanta dan sk:rln bagi setiap }orale objek, u. 30 em, 25 em, 20 em, 15 em dan 10 em.

Lens lranta

Diagram 1.2 : object distance, u = 30 em Rajah 1.2 : jOI'ak objek, u • 30 em

screen skrin

4531/3

[Uhat sebelah SULIT*


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SULIT 4

9i 10 Diagram 1 .3 : object distance, u = 25 .:1:::.

Rajah 1.3 :jarakobjek, u ""25 arr

Diagram 1.4 : object distance, u = 20 em Rajah 1.4 : jaralc objek, u = 20 em

Diagram 1.5 : object distance, u = 15 em Rajah 1.5 :jarakobjefc, u = 15 em

4531/3

[Uhat sebelah Sl"LlP


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SULIT

4531/3

5

Diagram 1.6 : object distance, u = 10 em Rajah 1.6 :jarakobjek, u = IOcm

(b) Based on diagram 1.2, 1.3, 1.4, 1.5 and 1.6, determine the magnitude of v, of each object distance, u = 30 em, 25 em, 20 em, 15 em and 10 em. Hence, calculate

l d ,. 'fi . - an mear magm JCatiOn, m. II

Berdasarltan Rajah 1.2, 1.3, 1.4, 1.5 and 1.6, tentukan nilai v, bagi setiap jarak

objek, 11 = 30 em, 25 em, 20 em, 15 em and 10 em. Seterusnya lcirakan _!_ dan

pembesaran linear, m.

I Tabulate the values of u, v, - and m in the space below.

" Jadualkan nilai-nilai bagi u, v, _!_dan m pada ruangan di bawah .

"

II

[6 marks] [6 marlcah]

4531/3



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SULIT 6

(c) On the graph paper, plot a graph of m against .!.. u

Di alas kertas graf plotkan graf m lawan u

(d) Based on your graph, state the relationship between m and .!. . u

1 Berdasarkan graf anda, nyatakan perhubungan di antaram m dan -.

u

(e) State one precaution that should be taken to obtain the accurate result.

[5 marks] [J markah]

[1 mark] [1 markah]

4531/3

Nyatakan satu langkah berjaga-jaga yang perlu diambil untuk mendapat keputusan yang lebihjitu.

4531/3

[1 mark] [1 markah]



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SULIT 7 453U3

4531/3

Graph m against : -H+ -4--J-

I'

1 1 -I grafm lawan -u u

I H-H···''

-f . ....o..

I:: . ...L' $$:'$hti+ :. :. ~',.- ....;-ri''_:·-'_.-···-•• -..,..,.'-' ••• !---:. ___ -_· -"_~~-:.·_·-~-~-.·-L., __ :'-ji'_,. __ ~----._-_•. ~_:.,_;_h_:_c·.-~-·-~·eai rn-: ~1l~i2LL I-~:-7T P±t j~t : ~ ; : I I ! !--r-r-' i : j l ; ~- :,: t+_;; _: __ -+-+_, :,;·-~ r:-,:....:.·<-++-_._._=-~----•_-. H_,· 4--L-_ .. : -~ ; : ___ ;_: ;-

~ -rW --t+-: ++""-r t--t- i-t

-~ ~-

I'

I! r •

:; I: ~t-t-+-'j H-H----H··

t-i: , . H+t- -.-H-t- +-;.: H- H-i-H-.:-:

i' I;

l ! +-t ~ i

i 1 f! I 'I I j

l!

. I

!+h !:f+-i-

! !

~-+

:.

8=r£c "lf±t~fft ~if f±fEr:Ij~t!±£t~r-hlt-~ ·:~-~

I 1!

~J*Efi1flli;~1~~±t ;~~tl,~

;--~:

I~-~

i 1 1!

i-t+

l-++--H-

,+h-- -1--i·-H

-++- -++ -

:; :;

+i+: ! I j!

i!

... ~·-f-..;.. . .;.. -+~-~-;_ -++-..j-~- -~ : :-+- -~ : . -"-·--'-:- +~T+ . .t~~.J: =l=t-i ~4~---lt · ~Ht=f+t+:~: ... , ..

,. ' ' , ..


= =

= =


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SL'LIT 8

l A student carries out an experiment to investigate the relationship between the mass, m and temperature, () of water. The student used different mass of water and corresponding temperature is recorded.

The student then plots a graph of fJ against -1

as shown in Diagram 2.1. m

Seorang pe/ajar menja/ankan e/c.sperimen untuk mengkaji hubungan antarajisim, m dengan suhu, 0. Pel ajar itu menggunalwn jisim air yang ber/ainan dan suhu yang sepadan direkodkan.

Pelajar itu lremudian memplotlum graf () lawan .!.. seperti pada kJ}ah 2.1. m

Graph () against -1

m

1 Graf () lawan -

m

ef'Jc

0 0.5 1.0 15

Diagram2.1 Rajah2.1

2.0 25 3.0

4531/3

4531/3 !Lihat sebelah SULIT*


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SULIT 9 4531/3

(a) Base on the graph in Diagram 2.1, Merujuk kepada graf dalam Rajah 2. 1,

4531/3

(i) what happen to (} when m increased? apakah yang berlaku kepada (} apabila m bert am bah?

.................................................................................... 4 ......... . ..... ..

[1 mark] [1 markah]

(ii) detennine the temperature, (} if the mass ofheated water, m is 0.8 kg. Show on the

graph how you determine e. Tentukan suhu (} jikajisim air yang dipanaskan ialah 0.8 kg. Tunjukkan pada graj bagaimana anda menentukan B.

0 0 0 0 0 1 0 0 1 I 0 0 o 0 0 0 0 0 0 0 + 0 I 0 0 • 0 •' 0 0 0 0 0 0 o 0 4 0 0 0 I 0 0 0 o o .0 0 ~ a • I 0 0 .0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o 4 0 0 0 o o o o o o o o o o o 0 0 I 0 0


(iii) calculate the gradient of the graph. Show on the graph how you determine the gradient. hitungkan lcecerunan graf Tunjukkan pada graf bagaimana anda menentukan kecerunan itu.


ruhat sehelah SLLIP


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SULIT 10 453113

(b) Using the value obtained in (aXiii) and equation h = Q , calculate the specific heat c

capacity, c of the water if his gradient of the graph and Q is the quantity of heat used,

6.1 X J04J.

Dengan menggunakan nilai yang diperolehi da/am (a){iii) dan persamaan h == Q , c

hitunglcan muatan haba tentu, c bagi air jilca h ialah lrecenman graf dan Q ialah lruantiti haha yang digunakan, 6.1 x 10 4 J .

[3 marks] {3 markah]

(c) State two precaution taken during the experiment.

4531/3

Nyatakan dua langkah berjaga-jaga yang perlu diambil semasa menjalankan eksperimen.

(i)

(ii)


[Lihat sehelah SULIT*


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SULIT 11

Section B Bahagian B


Answer any one question from this section. Jawab mana-mana satu soalan daripada hahagian ini.

4531/3

3 Diagram 3 .I shows a plastic bottle place in a hot water. The plastic bottle is then put into a basin of ice. It found that the plastic bottle crumpled as shown in Diagram 3.2.

4531/3

Rajah J. 1 memmjuJckan satu botol plastik yang berada dalam air panas. Botol pla.stik itu umudiannya diletakkan Ire dalam sebuah besen yang mengandungi ais. Didapati bahawa botol itu umek seperti yang ditunjukkan da/am Rajah 3.2.

Hot water Air panas


Diagram3.2 Rajah 3.2

Ice A is

Based on the observation on Diagram 3.1 and Diagram 3.2 and using your knowledge of the gas Jaws:



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Typewriter

with the use of apparatus such as capillary tube, thermometer and other apparatus





(a) make one suitable inference .

The ___________________ is depend on the ____________________________

(b) state one appropriate hypothesis

The higher the _______________________, the _________ the ____________________

(i) aim of the experiment to determine the relationship between _______________ and _______________

(ii) variables in the experiment MV _________________________

RV __________________________

CV ___________________________

(iii) list of apparatus and materials (From list given and use to measure RV and MV with controlling the motion)

_____________________________________________________

(iv) arrangement of the apparatus (diagram with label)

(v) the procedures of the experiment 1. method of controlling the manipulated variable (initial data)

__________________________________________________

2. method of measuring the responding variable (use what and how to measure ) ____________________________________________________ ____________________________________________________

3. repeat with 4 difference value ______________________________________________________

(vi) the way of tabulate data MV, symbol and unit RV, symbol and unit

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D F - KS Thong's Blog | PHYSICS IS INTERESTING · PDF fileSEMINAR FIZIK SPM 2012 ... Manometer...

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Transcript of D F - KS Thong's Blog | PHYSICS IS INTERESTING · PDF fileSEMINAR FIZIK SPM 2012 ... Manometer...