WINTER VACATION H.W

CLASS 11A SUB:CHEMISTRY

Assignment

1.What is hybridisation?

2.Describe the hybridisation in case of ethene and ethyne.

3.Describe the hybridisation in case of PCl5.Why are axial bonds longer than equatorial bonds?

4.What is meant by the term bond order?

5.Calculate the bond order of the following: N2 , O2 , O2+ , O2

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Investigatory Project

Group 1 (Roll No. 1 , 2 , 3 ,4 , 6 , 7 , 8) Study of adulterants in foodstuffs.

Group 2 (Roll No. 9 , 10 , 12 , 13 , 14 , 15 , 16 ) Analysis of vegetable and fruit juices

Group 3 (Roll No.17 , 18 , 19 , 20 , 21 , 22 , 23 )To study the rate of eveporation of different liquids

Group 4 (Roll No. 24 , 25, 26 , 27 , 28 , 29 ,30 ) To study the foaming capacity of soaps.

Class 11,physics

1.what is mean free path?

2.explain zeroth law of thermodynamics

3.explain first law of thermodynamics?

4.write down assumptions of Kinetic theory of gases

5.What is reversible and irreversible process?

6.what is extensive and intensive property?

7.write down sign conventions used in thermodynamics

8.what is difference between simple harmonic motion and oscillatory motion?

9.derive expression for time period of simple pendulum

10.what is difference between damped oscillation and forced oscillation?

HOLIDAY HOMEWORK

SUB: ENGLISH CORE

CLASS- XI

1. Make notes on the following chapters:

a. Mother’s Day

b. Silk Road

c. Ghat of the Only world

2. Write 5 questions and answers on the above chapters.

3. Writing skill (Write one each of the following):

a. An article

b. A debate

c. A speech

Md Ali Ahmed

Class 11

Q 1. Complete the given notes in note book.

Q 2. Complete the practical and project work.

Class 11 b

Political science

1.write about the powers and functions of Supreme Court.

2. write about the secular Provisions provided in the constitution of India.

3. write about the federal pictures of Indian constitution.

4. what do you mean by fundamental rights.

5. what do you mean by nation and nationalism.

6. what do you mean by state and write about the Essential Elements of the state.

7. write about the political economic and cultural rights.

8. Writeabout the two issues of tensions between Center and the states.

9. what was sarkari commision?

10. who is an alien?

Class-XIB (History) Assignment: Q1 Agriculture technology was primitive.Why Q2.Discuss in detail about the emergence of cathedrals. Q3.What do you mean by three orders. Q4.Who were viking people Q5.Discuss about the advantage and Disadvantage of feudalism Q6.What do you understand by manomial estates.Discuss its few characteristics. Project: Make a project in a stick file on the chapter assigned to you.

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KENDRIYA VIDYALAYA ONGC SIVASAGAR

WINTER BREAK HOLIDAY HOMEWORK 2018-19 CLASS: XI

SUBJECT: ECONOMICS 1. What is the meaning of Lorenz curve? State the steps involved in drawing a Lorenz curve

2. Calculate mean deviation and its coefficient from the following

I) Continuous series (any three questions)l

II) Discrete series (any two questions)

3. Calculate range and its Coefficient from continuous series (any five questions)

4. Explain the Conditions of producer’s equilibrium in terms of marginal cost and marginal revenue

approach.

5. Explain the law of variable proportion theory with suitable example and diagram.

6.Explain the market equilibrium with suitable example and diagram.

7.Explain price ceiling and price floor

8. Complete the project work. -----------------------------------------------------------------------------------------------

Holiday Homework

ACCOUNTANCY, CLASS XI

Q1. What do you mean by financial statement? Discuss the role of accounting standard in

the preparation and presentation of financial statement.

Q2.Why is it necessary to look after errors, while presenting a true and fair view of

financial statement? Briefly explain the process of checking errors.

BUSINESS STUDIES

Q1 What do you mean by Internal Trade? How internal trade is helpful in promoting trade

within the country?

Q2.What are the roles of Corporate Social Responsibility of business? Briefly explain its

significance in present business environment.