PG Senior Secondary SchoolAffiliated to CBSE, Bharat

DCF Chowk Captainganj Kushinagar

Contact- 05567-252718,9450683593

Visit Us-pgssschool@gmail.com, Website- pgssschool.in

Summer Vacation Assignment 2017-18CLASS -11

It’s time to smile and playMy Holidays are from 19th May,

Wow! I’m waiting for this lovely day.I will have lot of Fun,

With friends I will do a page of writing ,With no refusal and no fighting

Dear Parents, The long awaited summer vacation is here when you will get an opportunity to spend quality time with your child. As parents and teachers, we understand the importance of developing the habit of eating healthy and learning healthy. As summer vacation is the time of freedom and freedom brings more responsibility, so keeping this in mind we have planned most activities to keep our children engaged and also help them channelizing their energies. Kindly help and guide your child in completing his homework and also exploring his creative self.

Happy Holidays! Have fun with your little one!Regards

Class Teacher

Points to remember1- Please complete all the given homework in a long thin copy. 2- Please submit the given homework to your class teacher on 21 th

June, 2017 without fail.3- The holiday homework completed in the most effective way will be

awarded certificates 4- School shall reopen on 21th June with regular timings

Do’s- o Early to bed and early to rise.o Get Exercise.o Stay in touch with school friends.o Keep skills sharp with workbooks.o Join a Hobby class.o Drink lots of water.o Talk about what you are doing and why.o Touch the feet of Parents and elders.o Respect the Elders & love the younger.o Set a time every day to write in a scrap book or handwriting.o Pickup a book and read.o Eat juicy fruits.o Wear light cotton cloths.o Attend any tour trip.o Use goggles, Caps and Umbrella When you are going out.

Don’to Play video games all day.o Disconnect from normal routines.o Veg. out all summer o Getup late in the morning.o Stop using a calendar or agenda to keep track of activities.o Stop learning.o Drop all project.

Do’s & Don’t

o Insult the elderso Disobey the parentso Wander in the sun without cause.

English

1. Compose a poem of at least 20 lines on the topic ‘Indian Army’. Take the ideas from the poem ‘Indian Weavers by Sarojni Naidu.’

2. The shape of the moon undergoes a change every time. Writ the autobiography of the moon in 150-200 words.

3. Write two classified Advertisements for ‘Matrimonial Column.’ 4. Learn by heart all the taught lessons.5. Prepare a report on your class 10th study.6. Write an essay on the topic ‘India, our Mother land , the nation of

Talents’. (in 1500 word.)

Hindi

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uksV le;kuqlkj x`gdk;Z iw.kZ djds vius vfHkHkkod ls uhps gLrk{kj djkosaA

The oldest living language in the world is Tamil.

A Human Makes approximately 20,000

breaths per day.

You can not cry on space because your tears won’t ever fall.

Moon is neither round nor spherical. Rather, it has the shape of an egg.

Mathematics

1. Define sets. How many types of Sets are there. Define them with examples.

2. Solve chapter 1, 2 and 4 of NCERT book.3. Define relation. Illustrate types of relation with definition and

examples. Biology

1. Complete the file work with the characteristic feature from class-porifera to Amphibian.

2. Draw the structure of Bacteria on thermacol (model) . (use colourful paint or pen in diagram)

3. Why is biodiversity important?4. Main cause behind destruction of biodiversity is-

a. Air pollutionb. Deforestationc. Illegal huntingd. Interspecific competition

5. Which one has the largest species variety in India?a. Riceb. Potatoc. Wheatd. Maize

6. National Botanical Institute is located in-a. Kolkatab. Mumbaic. Chennaid. Lucknow

7. Biological organization starts with-a. Atomic levelb. Cellular levelc. Organismic leveld. Submicroscopic molecular level

8. What are taxonomical aids? Give the importance of herbaria and museums. How are Botanical gardens and Zoological parks useful in conserving biodiversity?

9. All eukaryotic unicellular organisms belong to-a. Fungib. Monera

c. Protistad. Bacteria

10. Free living nitrogen fixing aerobic bacterium is-a. Nostocb. Anabaenac. Beijerrnickiad. Rhizobiume. Rhodospirillum

11. Which of the following disease is caused by virus?a. Syphilis b. Diphtheriac. Poliomyelitisd. Tuberculosis

Physics

1. Delhi is at a distance of 250 km from Chandigarh. A sets out from Chandigarh at a speed of 80 KMh-1 and B sets out at the same time from Delhi at a speed of 45 KMh-1. When will they meet each other.

2. Two train 121 m and 99 m in length are running in opposite directed with velocities of 40 KMh-1 and 32 KMh-1. In what time they will completely cross each other.

3. Two train A and B are moving on parallel tracks with velocities of 60 Kmh-1 and 90 Kmh-1 respectively but in opposite direction. Find (i) The relation velocity of train A w.r.t train B and (ii) the relative velocity of ground w.r.t train A.

4. How long will passenger sitting at the window of a train travelling at a speed of 54 Kmh-1 . See a train passing by in the opposite direction with a speed of 36 Kmh-1 , if the length of the latter (second train) is 150 m?

5. An – anti tank gun fire. Point – black at a tank. The brost of the shell (on the tank) is observed by the tank crew after 0.68 and the sound is leard 2.15 after the shot is fire. If the velocity of the sound is 340 ms-1. Find the distance between the tank and the gun and also the velocity of the shell.

6. A train is running at a constant acceleration. The two ends of the train pass a telegraph post with velocities v1 and v2. Find the velocity with which the middle point of the train passes the same post.

7. If x, y and z are the distances moved by a particle moving with a constant acceleration during the lth mth and nth second of its motion respectively , show that

X (m-n) + y (n-l) +z (l - m) = 08. Two cars starts off two race with velocities v1 and v2 and a2. If they

reach the final point at the same instant. Show that the length of the path is-

2 (v1- v2) (v1a2 – v2a1) (a1 – a2)2

9. A man on the railway platform is just 9 m behind the entrance door of a train. When the train begin to move with a uniform acceleration to 2ms-2 starting from root. The man immediately picks up a uniform speed to get into the train and he just boards the train. Find the speed he picks up.

10. The speed of train increases at a constant rate α from 0 to v and their remains constant for an interval and finally decreases to zero at a constant rate β. If S is the total distance described, show that the total time taken is –

t = s + v (1 + 1) v 2 α β

11. Two trains each of length 100m. moving in opposite directions along parallel lines, meet with their speeds 60 kmh-1 and 30 kmh-1. If their accelerations are 0.3 ms-2 respectively. Find the time taken by them to pass coach other.

12. A woman starts from her home at 9:00 am , walks with a speed of 5 kmh-1 on a straight road up to her office up to 5:00 pm, and returns home by an auto with a speed of 25 kmh-1 choose suitable scales and plot x-t graph of her motion.

13. A drunkard walking in a narrow lane takes 5 steps forward and 3 steps backward, followed again by 5 steps forward and 3 steps backward and soon. Each step is 1 m long and requires is plot the n-t graph of his motion. Determine graphically and otherwise how long the drunkard takes to tall in a pit 13m away from the stairs.

14. A car has initial velocity of 72 kmh-1. It is accelerated at 2m/s2 . Calculate the final velocity and the distance covered after 3 seconds.

15. A car at rest accelerates uniformly to a speed of 144 km/h in 20 sec. How much distance is covered by the car?

16. A body is moving with uniform acceleration of com/s2 if it starts from rest, calculate its displacement after 5 sec?

17. Brakes are applied to a car travelling at 30 m/s. Its velocity is reduced to 2m/s. in 5 sec. calculate the retardation produced by the brakes. Also calculate the distance covered in those 5 seconds?

18. A body starts from rest and acquires a velocity of 12 ms-1 in 5 sec. calculate the acceleration and distance moved?

19. A bus is moving on a straight road with speed of 126 kmh-1 is brought to rest after 200m. calculate retardation of bus?

20. A car is moving with a velocity of 72 kmh-1. Its velocity is reduced to 36 kmh-1 after covering a distance of 200m. Calculate retardation in cm/s2.

Chemistry

Week -I1. Define law of multiple proportions with example.2. Calculate the molecular mass at C12H22O11.3. Calculate the no. of atoms present in 11.5 litrea at H2 at N.T.P.4. Calculate the no. of moles of 5.68g of iron.5. What is the effect of temperature on molality and molarity?6. Differentiate between molarity and molality. 1.82g glucose (molar

mass-180) is dissolved in 25g of water. Calculate-a. The molalityb. Mole traction of glucose and water.

7. Calculate the amount of CO2 that could be produced when-a. 1 mole of carbon is burnt in airb. 1 mole of carbon is burnt in 16g of dioxygen.c. 2 moles of carbon are burnt in 16 g of dioxygen.

Week - II8. Describe any two scientists biography with structure in the white

plane paper.9. Find the percentage composition of potassium chlorate (kclO3).10. The molecular mass of an organic compounds is 90 and its

%age composition is (-26.6%, 0=71.1%) and n= 2.2%. Determine the molecular formula of the compound.

11. Commercially available sulphuric acid contains 91% acid by mass and has a density of 1.83 g ML-1

i. Calculate the molarity of solution.ii. Volume of concentrated acid required to prepare 3.5 L of 0.50 M

H2SO4Week- III

12. Draw the structure of cathode rays, Anode rays and Rutheford’s model of an atom.

13. Calculate the number of males in-a. 05L of 0.75 M Na2CO3b. 7.85g ironc. 34.2g sucrose (C12H22O11)

14. In a reactionA + B2 AB2Identify the limiting reagent, if any in the following reaction mixtures-i. 300 atoms of A + 200 molecular of B2ii. 2 mole of A + 3 mol of B2iii. 100 atoms of A + 100 molecules of B2

15. What transition in the hydrogen spectrum would have the same wavelength as the Balmer transition n= 4 to n = 2 of He+ spectrum?

16. The longest wavelength doublet absorption transition is observed at 589 and 589.6 nm. Calculate the frequency of each transition and the energy difference between the two excited states.

Week- IV17. Project on determination of contents of cold drinks of different

brand.

18. The atomic spectrum of Li2+ arises due to the transition of an electron from n2 to n1 level. If n1 +n2 is 4 and n1 – n2 is 2, calculate the wavelength (in nm) of the transition for this series in Li2+.

19. Calculate the wavelength of spectral line in Lyman series corresponding to n2 = 3

20. What are the frequency and wavelength of a photon emitted during a transition from n =5. State to the n = 2 state in the hydrogen atom?

21. The kinetic energy of a sub-atomic particle is 5.85×10-25]. Calculate the frequency of the particle wave. (Plank’s constant, n = 6.626×10-34 kgm25-1)

22. 10 ml mixture of CH4, C2H4 and C3H8 in the ratio 1:1.5:2:5 respectively is burnt in excess of air. Calculate the volume of air used and volume of CO2 formed after combustion. All measurements are made at same P and T.

23. Complete the following tableSpecies Mass no. Atomic

no.P+ n E-

Na - 11 - 12 -Cl- 35 - 17 - -O - - - 8 8

24. State the no. of significant figures in the following:i. 62.4ii. 8.9572iii. 0.040iv. 70.0

25. 8.4g of sodium bicarbanote was added to 6.0g of acetic acid solution. Carbon dioxide gas was produced which was allowed to escape while the residue (of sodium acetate and water) was found weigh 10.0g. what is the mass of carbon dioxide which escaped out into the atmosphere, keeping in view the law of conservation of mass?

26. 4.9g of KclO3 when heated produced 1.92g of oxygen and the residue of Kcl left was found to weigh 2.96g. Show that the data illustrates the law of conservation of mass?

27. Explain about the photo electric effect and its law?

28. Write the electronic contiguration of exceptional element of the following are-i. Cr ii. cu iii. Nb iv. Mo v. Ru vi. Rh

vii. Pd viii. Ag ix. La x. Ce xi. Rgxii. Gd xiii. pt

29. Find the energy of each of the protons whichi. Correspond to light of frequency 3×1015 H2ii. Have wavelength of 0.50A0

30. Define Autbau’s principle. Which of the following arnita’s are possible?1s , 1p. 3d, 3+

Project Worki. Generate of Electricity by using common salt.ii. Make a project to conservation of water.

Economics

1. Write 5 merits and demerits of Indian Economy.2. Enlist 12 five year plans with their objective.3. Surf internet and note down the Growth of GDP in India from 2000 to

2017.4. Prepare a case study of two Socialist economy countries as well as

two capitalist economy countries.5. What is data? Explain its kinds.6. In your opinion , how can we improve the Indian economy.7. Explain the faillness of 5 years plan.8. On the basis of Survey, Complete the following table-

Family title

No. of members in family

Member involve in primary sector

Member involve in sec. sector

Member involve in tertiary sector

Annual Income

Rich or poor

Your own remark

Table 1

No. of Land Crops Used Irrigatio Output Reason

farmers holding size

Gorwn inputs n facilities

for low productivity

12.....1920

Table 2

Business Studies

1. Identify the type of activity if a worker working in a factory , a doctor operating in his clinic , a manager working in the office and a teacher teaching in school.

2. What is Commerce? And its classification.3. “profit is the reward for risk taking” . Comment4. What is meant by business? Explain it’s characteristics.5. Define Sole proprietorship and it’s merits.

ACCOUNTANCY

WORKSHEET (HOLIDAY INDIVIDUAL PRACTICE) -1

1. Explain the following

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(c) Transaction

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(d) Account

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(e) Drawing

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(f) Asset

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Write the objectives of Accounting.

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2. Write the functions of Accounting.

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3. Write the limitations of Accounting.

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ACCOUNTANCY

WORKSHEET (HOLIDAY INDIVIDUAL PRACTICE) -2

Q1) Giving examples, explain each of the following:

a) Capital

b) Liability

c) Purchase

d) Sales

e) Debtor

f) Creditor

g) Drawings

h) Discount

i) Stock

Q2) Distinguish between:

a) Loss and expense

b) Revenue and income

c) Fixed asset and current asset

d) Long term liability and short term liability

Q3) Differentiate between Book Keeping and Accounting.

Q4) State the different users of Accounting information and their informational needs.

Q5) Prepare and learn the exercise given in chapter 1 and 2 from D.K Goel Book.

Activity:-

1- Activity one is based on the business monitoring. Please complete this activity as instructed by your class teacher.

2- Conduct a survey in your area about 2 different businesses and their nature of business find out-

a) Types of products and services provided by them to the customer.

b) How they record their business transactions ?

c) How they create demand of their product?

ACADEMIC SESSION : 2017-18

FEEDBACK FORM

(To be filled in by parent and student after discussion with each other)

1. The Holiday’s Homework was:a) Lengthy b)Short c)Appropriate

2. You required help:a) Continuously b) Occasionally c) Never

3. The time given to complete the assignment was:a) Appropriate b) Too less c) Too much

4. The information required was:a) Easily available b) Difficult to find

5. Did your child enjoy doing the Homework? If ‘Yes’, why and if ‘No’ why not?

___________________________________________________________________________________________________________________________________________________________________________________________________

6. The most interesting part of the homework was…..

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7. While doing the homework, I learnt…..

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8. Which of the activity did your child enjoy the most?

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9. What other activities would you like to do with your child during holidays?

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10. How do you think your child benefited through holiday homework?

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-- To be submitted to the Class Teacher