Diwali Holiday Homework – 2017

Class XI

Subject Diwali Break Homework

English 1. To read all the chapters done till date from 'Snapshot' and learn the answers.

2. To read the novel 'The Canterville Ghost' by Oscar Wilde and write the

summary of each chapter in their English Note books 3. Read the poem “Childhood” by Markus Natten. Prepare a 150-word analysis-to be

done in your notebook. (Whether a poem has been taught in class or not is not as

important as your own response to a work of literature, unaided by someone

else’s analysis)

Hindi 1) vk/kqfud Nk= Nk=ksa esa f”k{kk xzg.k djus ds izfr c<+rh v:fp ds laHkkfor

dkj.kksa dk mYys[k djrs gq, dqN ,sls mik;ksa dk mYys[k dhft, ftuls os

lgh f”k{kk izkIr djus ds fn”kk esa mRlkfgr gks A vius fopkj dks yxHkx

300 “kCnksa esa fyf[k,A 2) i=& nSfud tkxj.k ds laiknd dks ,d i= fyf[kdj xk¡o ds yksxksa dk

“kgj dh vksj iyk;u dh leL;k dks izeq[krk ls izdkf”kr djus dk vuqjks/k

dhft,A Mathematics Solve the worksheet.

Physics Chapter 10 mechanical properties of fluid.

Exercise (question number 10.1-10.20) Chemistry 1.Write questions and answers of the exercises of the following two chapters:

Chapter 5 – States of matter

Chapter6 – Thermodynamics

2. Prepare a project work on the topics as mentioned below for the respective students

in Chemistry and submit after the vacation :

Name of the student Project Topic

Alexander Allen Patras Indwar Molarity and molality

A. Siddharth Photoelectric effect

Daya Shankar Transition elements

VISHAL Resonance

ADITYA SINGH Charle’s Law

ANANYA Gibbs free energy

SUYASH Mole concept

PRATYUSH Quantum numbers

AYUSH Elements with atomic number

>100(Transfermium elements)

K.A. JAYANTH Hybridization

KRITIKA Kinetic molecular theory of gases

RIDA Entropy

MAYANK Ionization Enthalpy

JAYANT RAJ Rules governing electronic configuration

Biology 1 . Solve the questions of the NCERT book chapter no . 6 and 16 .

2 . Complete your biology practical file work .

3 . Make a project work on Secondary development in Plants . ( Formation of

secondary xylem and phloem , Cambium ring formation )

4 . Make a chart on the topic '' Our digestive system '' / Diseases related to

digestive system .

5 . Write a Paragraph on the topic '' Biology : The study of life ''.

Computer Solve the worksheet.

Economics To Revise the Chapters-Measure of Dispersion and central tendency. (From Saraswati

publication).

Accountancy Chapters Name- ( T.S. Grewal)

1. Accounting Equation- 1 to 5

2. Journal and Ledger- 10, 11, 12,13,14,15,38,39,40

3. Special purpose Book – Cash Book-1 to 10

4. Special purpose Book- Other Book- 1 to 9.

5. Bank Reconciliation Statement. 1 to 10

6. Trial Balance-Illustration 5 to 7.

7. Depreciation-6 to 11

Business

Studies

1. Prepare the notes of the following Chapters- Chapter 6 (Social Responsibility of

Business and Business Ethics) & Chapter 8 (Small Business)

Political

Science

Solve the worksheet.

History Solve the worksheet.

Physical

Education

Solve the worksheet.

CLASS: XI

TOPIC: STRAIGHT LINES

1. Find the slope of the lines which makes the following angles with the positive direction of x axis: (i) 2π/3(ii) –π/4

2. State the relation between the lines passing through the points(i) (5,6);(2,3) and (9,-2);(6,-5)(ii) (3, 15) ; (16,6) and (-5,3);(8,2).

3. Prove that the points (-4,-1) ,(-2,4),(4,0) and (2,3) are the vertices of a rectangle.4. If three points (h, 0); (a, b) and (0,k) lie on a line, show that : a/h + b/k = 1.5. Find the equation of a line parallel to x axis and passing through the point (3,-5).6. Find the equation of a line equidistant from the lines x= -2 and x = 6.7. Find the equation of the line with slope -1 and cutting off an intercept of 4 units on

negative direction of y-axis.8. Find the equation of the perpendicular bisector of the line segment joining the points

(2, 3) and (6, -5).9. Find the equation of the straight line passing through (3,-2) and making an angle of 60˚

with the positive direction of x axis.10. Find the ratio in which the line segment joining the points (2, 3) and (4, 1) divides the

line segment joining the points (1, 2) and (4,3).11. Find the equations of the medians of the triangle, the coordinates of whose vertices are

(-1, 6) ;(-3, -9) and (5 , -8).12. Find the equation of the line which cut off intercepts on the axes such that their sum and

product are 1 and -6 respectively.13. Find the equation of the straight line which is at a distance of 3√2 units from the origin

and the perpendicular from the origin makes an angle of 75˚ with the positive direction of x axis.

14. Transform the following equations of the line to (i) slope intercept form and find its slope and y intercept (ii)intercept form and find intercepts on the coordinate axes (iii) normal form and find the inclination and length of the perpendicular:

a) √3 x + y – 8 = 0b) 3x – 4y + 4 = 0c) 4x – 3y + 12 = 0d) x + √3 y – 4 = 0e) 5x – 12y +26 = 0

15. Find the value of ‘k’ for which the line (k – 3) x – (4 – k²)y + k² - 7k + 6 = 0 is parallel to y axis.

Mathematics Diw ali Homew ork 2017

16. Find the coordinates of the foot of the perpendicular drawn from the point (1, -2) to the line y = 2x + 1.

17. Find the angle between the lines x - y√3 – 5 = 0 and √3x + y – 7 = 0.18. Find both angles between the lines x – 2y + 3 = 0 and 3x + y – 1 = 0.19. Find the slope of the lines which make an angle of 45˚ with the line 3x – y + 5 = 0.20. Find the points on the x axis whose perpendicular distance from the line 4x + 3y = 12 is

4 units.21. Find the coordinates of a point on the line x + y + 3= 0 whose distance from the line x +

2y + 2 = 0 is √5 units.22. Find the equations of the lines parallel to 3x – 4y – 5 = 0 at a unit distance from it.23. Find the equation of the straight line passing through the point (2 , -3 ) and the point of

intersection of the lines x+ y +4 = 0 and 3x – y – 8 = 0.24. Find the equation of the straight line which passes through the point of intersection of the

lines x – y – 1 = 0 and 2x – 3y +1 = 0 and is parallel to 3x + 4y +14 = 0.

EXTRA QUESTIONS

1. Find the equation of the line through (4,-5) and parallel to the line joining

the points (3,7) & (-2,4). (Ans.3x-5y-37=0)

2. If A(1,4) , B(2,-3) and C(-1,-2) are the vertices of a triangle ABC . find

a) The equation of the median through A

b) The equation of the altitude through A

c) The right bisector of side BC

3. Find the equation of the straight line which passes through (3,-2) and

cuts off positive intercepts on the x axis and y axis which are in the ratio

4:3

4. Reduce the equation 3x-2y+4 =0 to intercept form. Hence find the length

of the segment intercepted between the axes.

5. Find the image of the point (1,2) in the line x-3y+4 =0

6. If the image of the point (2,1) in a line is (4,3) .Find the equation of the

line.

7. Find the equation of a line passing through the point (-3,7) and the point

of intersection of the lines 2x-3y+5 = 0 and 4x+9y = 7.

(Ans.8x+3y+3=0)

8. Find the equation of straight lines which are perpendicular to the line

12x+5y = 17 and at a distance of 2 units from the point (-4,1)

(ans. 5x-12y+6=0 & 5x-12y+58=0)

1. Using binomial theorem , expand (i) ( – )6 (ii) ( - )

6 (iii) ( x + 1 – )

3

2. Using binomial theorem, prove that.

(i) 23n

– 7n -1 is divisible by 49 , n N

(ii) 32n+2

– 8n – 9 is divisible by 64 , n∊ N.

(iii) 33n

– 26 n -1 is divisible by 676.

3. Using binomial theorem determine which number is larger

( 1.2)4000

or 800 ?

4. Find the value of ( 1.01)10

+ ( 1 – 0.01 )10

correct to 7 places of decimals .

5. Find the value of α for which the coefficients of the middle terms in the expansion of

(1+ αx )4 and (1- αx )

6 are equal , find α .

6. Find the coefficient of x7 in ( ax

2 + )

11 and x

-7 in ( ax – )

11 and find the relation

between a and b so that the coefficients are equal .

7. If the coefficients of x and x2 in the expansion of ( 1+ x )

m (1- x )

n are 3 and -6

respectively. Find the values of m and n .

8. If the fourth term in the expansion of (ax + )n

is , then find the values of a and n .

9. In the binomial expansion of (a + b )n

, the coefficients of the fourth and thirteenth terms

are equal to each other . Find n

10. Find the 11th

term from the beginning and the 11th

term from the end in the expansion of

( 2x – )25

.

11. Does the expansion of ( 2x2

- )

20 contain any term involving x

9 ?

12. Show that the expansion of ( x2

+ 1/x )12

does not contain any term involving x-1

.

13. Find the middle term(s) in the expansion of (i) (x – )2n+1

. (ii) ( 3x - )15

14. Find the term independent of x in the expansion of ( + )18

, x > 0

15. If the coefficients of (2r+1)th

term and (r + 2)th

term in the expansion of (1+ x)43

are equal,

find r

16. Prove that the coefficients of (r+1)th

term in the expansion of (1+x)n+1

is equal to the sum

of the Coefficients of rth

and (r+1)th

terms in the expansion of (1+x)n .

Answer key:

1. (i) - 6 + 15 -20 + 15 - 6 + .

(ii) x2 – 6 x

5/3a

1/3 + 15x

4/3 a

2/3 – 20 ax +15 x

2/3 a

4/3 – 6x

1/3a

5/3 + a

2

(iii) x3

+ 3x2 – 5 +

3 . 800 4. 2.0090042 5. α = 0, - 6. ab = 1 7. m = 12 , n = 9 8. a = , n = 6

9. 15 10. 25

C10 ( ) , - 25

C15 ( ) 11. No 13.(i) (-1)n.2n+1

Cn x , ( - 1 )n+1

. 2n+1

Cn .

(ii) , 14. 15. 14

Binomial Theorem

Diwali Break Homework

Class XI

Subject – Informatics Practices

1. Explain the different types of loops with flow chart.

2. Explain if statement and switch statements. When will you use one over the other?

3. What are functions in Java? Write a program to find the values of nCr. Input the values of n and r

from the user. Write a separate function for calculating the factorial.

4. Answer the following short answer type questions (Type B) of Chapter 6, pg 272

1, 3, 6

5. Design a GUI application for question 1 (Type C chapter 6), practical lab question in page 273.

Hint: see (Workshop 6.1), page 258.

Diwali Holidays Home Assignments

(Worksheet) Class-XI (Humanities)

History

Chapter-Nomadic Empires

Short answer type questions

1. Who were Mongols?

2. Who was the founder of Nomadic Empire? When was he born? What was his childhood name?

3. Define the term `Barbarian’?

4. What do you know about Batu?

5. Name the most trustworthy account of the Mongols.

6. What was the extent of the Genghis Khan`s empire?

7. What does the term ‘Quriltai’ denote?

8. Why was China Wall constructed?

9. What do you mean by Yasa? When was it given a final shape?

10. Write in brief the composition of Mongol army.

Long answer type questions

1. How did Temujin become Genghis Khan? Discuss.

2. Describe the main characteristics of the Mongol society in 12th century.

3. “Genghis Khan laid emphasis on discipline in the army”. Keeping this statement in your mind,

describe the rules formulated by him in the sphere of military administration.

4. What do you know about Ogodei? Discuss his achievements in brief.

5. Discuss the causes of the success of Genghis Khan.

6. Discuss the civil administration in Mongol Empire.

7. Prove that the Khan occupies an important position in Mongol administration.

Diwali Holidays Home Assignments

(Worksheet) Class-XI (Humanities)

Political Science

Chapters- Election and Representation &Executive

Short answer type questions

1. What is meant by a direct democracy?

2. What do you mean by Universal Adult Franchise?

3. What is an indirect method of election?

4. What is Mid-Term election?

5. What is Election Manifesto?

6. Mention the tenure of the President of India.

7. Who is the real executive of India?

8. How is the Vice-President elected in India?

9. Mention the classification of the Council of Ministers.

10. How is the Governor of a state appointed?

Long answer type questions

1. How does the Election Commission of India ensure its independence?

2. Sometimes criticism has taken place against Universal Adult Suffrage. Explain.

3. Explain the role of Election Commission of India.

4. What do FPTP and PR stand for? Explain with suitable examples.

5. Distinguish between the Political executive and Permanent executive.

6. What are the Emergency powers of the President of India?

7. Describe the powers and functions of the Prime Minister of India.

8. What are the discretionary powers of the President of India?

9. How is the President of India elected?

10. Write a short note on the relationship between the President and the Council of Ministers.

Diwali Holiday Assignment 2017-18

Class - XI

Subject – Physical Education CHAPTER 1

Question 1 to 11 carry 1 marks each & may be answered in 50 words

1. What is the aim of physical education?

2. What do you mean by sport journalism?

3. What is adaptive physical education?

4. When was sports Authority of India established?

Question 12 to 19 carry 3 marks each& may be answered in 100 words

Q.1. Describe the principles if integrated and comprehensive physical education.

Q.2. Write a note on the teaching career in physical education.

Q.3. Discuss the programmes of the sports Authority of India.

Question 20 to 26 carry 5 Marks each& may be answered in 150 – 200 words

Q.1. What are the main objectives of physical education.

Q.2. Describe the objectives and role of the central advisory board of physical education and recreation.

Q.3. Describe the aims and objectives of Netaji Subhash National Institute of Sport..

Q.4. Which principal are required to be followed to make the adapted physical education effective?

Explain.

Q.5. Write a note on special Olympic - Bharat?

CHAPTER 2

Question 1 to 11 carry 1 marks each & may be answered in 50 words

Q1. Define Physical fitness?

Q2. What do you mean by wellness?

Q3. What is meant by Lifestyle?

Q4. Mention the health threats in life

Q5. List down the component of positive Lifestyle

Q6. Explain the meaning of Health.

Question 12 to 19 carry 3 marks each& may be answered in 100 words

Q1. Briefly explain the importance of wellness

Q2. Discuss ‘healthy diet’ as a component of positive Lifestyle

Q3. Why is a Healthy Lifestyle important.

Q4. Health is “an asset” Comment.

Q5. It is health which is real wealth, and not pieces of gold and silver comment.

Question 20 to 26 carry 5 Marks each& may be answered in 150 – 200 words

Q1. Explain the importance of physical activity on enhancing the life.

Q2. What do you mean by the term physical fitness? Explain the component of physical fitness in detail.

Q3. Describe the components of wellness.

Q4. What are the essentials for a healthy life style?

CHAPTER 3

Question 1 to 11 carry 1 marks each & may be answered in 50 words

1. Write a short note on the Olympic Flag?

2. Briefly explain development of values through Olympic movement?

3. What is Olympic oath?

4. Describe in brief the eligibility criteria for Dronacharya Award?

5. Describe the objectives of CBSE sports?

6. Write a short notes on the origin of Para Olympic Games.

Question 20 to 26 carry 5 Marks each& may be answered in 150 – 200 words

1. Explain the origin of Ancient Olympic Games?

2. Write down in details about International Olympic Committee.

3. Describe the formation and objectives of Indian Olympic Association.

4. Enlist the various Sports Awards and explain any one award in details?

CHAPTER 4

Question 1 to 11 carry 1 marks each & may be answered in 50 words

Q1. Define yoga.

Q2. What is Dhayana?

Q3. How is BMI measured?

Q4. Name the various elements of yoga.

Q5. Classify different types of Pranayama.

Q6. What is Yama?

Q7. What do you mean by yoga sutra?

Q8. Outline any two importance of yoga

.

Question 12 to 19 carry 3 marks each& may be answered in 100 words

Q1. Describe the benefits of pranayama.

Q2. Write a short note on dhayana and Samadhi.

Q3. Suggest any three exercise dependent rimed and any three diet dependent remedies.

Q4. Write any three steps for prevention/management of back pain.

Q5. If the weight of a person is 80 Kg and height is 1.75 meter, calculate him BMI.

Q6. Classify the Asanas.

Question 20 to 26 carry 5 Marks each& may be answered in 150 – 200 words

Q1. “Yoga is our cultural Hevitage.” Explain this statement.

Q2. Describe different elements of yoga:

Q3. How yoga is beneficial for sports persons? Explain

Q4. Discuss the methods of prevention and management of diabetes?

Q5. Discuss the causes and management of hypertension. Causes of hypertension.

PRACTICAL WORK

Archery, Badminton, Bocce, Gymnastics, Judo, Swimming, Table Tennis, Taekwondo &Tennis

Record File shall include:

Practical-1: Labelled diagram of 400 M Track & Field with computations.

Practical-2: Computation of BMI from family or neighbourhood & graphical representation of the data.

Practical-3: Labelled diagram of field & equipment of any one game of your choice out of the above list.

Practical-4: Explanation & list of current National Awardees (Dronacharya Award, Arjuna

Award & Rajiv

Gandhi Khel Ratna Award)

Practical-5: Pictorial presentation of any five Asanas for improving concentration.