Autumn Break

Holiday Homework

Class: XII A

Q:1 Revise all the Chapters for half yearly and periodic test 2 by underlining the value points.

Autumn Break Holidays Homework

Class- XII

Physics

S.no Date Time Topic

1. 26-09-2017 3Hr TIR and its application , Prism Formula, Compound

microscope and astronomical telescope

2. 27-09-2017 3Hr Interference , diffraction , polarization ,

3. 28-09-2017 3Hr Self induction, Mutual Induction, Transformer

4. 29-09-2017 3Hr Electric field intensity at a point on Axial & Equatorial

Line

5. 30-09-2017 3Hr Gauss theorem and its application

6. 01-10-2017 3Hr Electric potential at a point due to a dipole and

capacitance of a parallel plate capacitance

7. 02-10-2017 3Hr Kirchhoffs Law and Numeric based on it

8. 03-10-2017 3Hr Potentio Meter , Wheat Stone Bridge and its application

9. 04-10-2017 3Hr Mutual induction of Galvano meter

10. 05-10-2017 3Hr Lens maker formula, amperes circuital law

HOLIDAY HOME WORK

ACCOUNTANCY

CLASS XII B

1. Solve all practical questions of Issue of Debentures in homework notebook.

2. Revise and create prescribed format of Companies Balance Sheet as per Companies act 2013 in

Homework notebook.

3. Solve five Practical Questions from each chapter in Homework Notebook with proper format

and

4. Revise complete Syllabus with theory.

HOLIDAY HOMEWORK

BUSINESS STUDIES

XII B

1. Find Case Studies on Staffing and solve them in Homework notebook.

2. Do practice of Case Studies related to all chapters.

3. Find and solve five case studies of each chapter in Homework notebook.

4. Learn complete syllabus with concerned Definitions.

HOLIDAY HOME WORK OF CLASS XII (2017-18)

1. Show that 0

43

32

21

cxxx

bxxx

axxx

where a, b, c are in AP.

2. using properties of determinants, prove that

2

2

2 2( )

2

a b c a b

c b c a b a b c

c a c a b

3. Solve the system of linear equation

-

+

= 4,

+

= 0,

+

+

= 2, x 0, y 0, z 0

4. If 1cosa xy e

, show that2

2 2

2(1 ) 0

d y dyx x a y

dx dx .

5. Differentiate: 1sin cos

cos2

x x

with respect to x, where4 4

x .

6. Show that function f(x) defined by ( )

{

( )

,

is continuous at x=0

7. A window is in the form of a rectangle surmounted by a semi-circular opening. The total perimeter of the window is 10 m. find the dimensions of

the window so as to admit maximum light through the whole opening.

8. Show that the height of the cylinder of greatest volume which can be inscribed in a right circular cone of height h and semi vertical angle is one third that of the cone and the greatest volume of the cylinder is

.

9. . Evaluate:

10. Evaluate ( )( )

( )( )

11. 2

2

1

( 2) lim .Integrate x x dx by it as a sum

12. Evaluate

dx

13. Find the area lying above the x-axis and included between the circle x2 + y2

= 8x and the parabola y2 = 4x.

14. Using integration compute the area of the region bounded by the lines2x + y = 4,

3x 2y = 6, and x 3y + 5 = 0.

15. ..02)(: 22 xydydxyxequationaldifferentitheSolve

16. If the vectors

a ,

b ,

c are coplanar then show that

a +

b ,

b +

c and

c +

a

are also coplanar.

17. Solve the following differential equation :

xtanydx

dyxcos2

18. A toy company manufactures two types of dolls, A and B. Market tests and available resources have indicated that the combined production level should

not exceed 1200 dolls per week and the demand for dolls of type B is at most

half of that for dolls of type A. Further, the production level of dolls of type

A can exceed three times the production of dolls of other type by at most

600 units. If the company makes profit of Rs 12 and Rs 16 per doll

respectively on dolls A and B, how many of each should be produced weekly

in order to maximize the profit?

19. Evaluate : dxxx2

1

3

20. .4

atdx

ydfind,sinay,

2tanlogcosaxIf

2

2

Autumn Break Holiday homework Computer Science

Q:1 Solve CBSE board questions papers of year 2013 to 2016 (Q:1 to Q:4).

Autumn Break Holiday homework Informatics Practices

Q:1 Solve CBSE board questions papers of year 2013 to 2016.

() : 2017 -18

1.

i ) |

ii , |

2 :-

i )

ii )

3. ? |

4. |

Holidays Homework

Subject: English

Class: XII

Q1: Learn all the chapters of Flamingo and Vistas. (as mentioned in syllabus )

Q2: Read ch 1-14 of the novel' The Invisible Man' and learn all the questions related to it.

Q3: Practice two Comprehension and two Notemaking.

Q4: Education has always been a noble profession but today, education is fast becoming

commercialized. Parent have to shell out a lot of money on coaching classes, tution fees, etc. Write an

article in 150-200 words on 'The State Of Education Today'. You are Karun\Karuna.

Q5: You are Karan Bajaj, a leading lawyer practising in Surat. You want to buy an independent house at

Noida to be used as office-cum-residence. Draft an advertisement in about 50 words for the classified

column of a local newspaper.

Q6: You are Rahul Vaid of 10-D Preet vihar. You have come across an advertisement in 'The Times Of

India' for the recruitement of Computer Engineer. Apply in response to the advertisement, give your

necessary details.

Autumn Holiday Home Work XII (Economics)

WRITTEN WORK

1. State the various components of the expenditure method that are used to

calculate national income.

2. State the significance of real GDP.

3. Explain banker to the government function of the central bank.

4. Explain how open market operations are helpful in controlling credit

creation.

5. Explain the medium of exchange function of money. How has it solved

the related problem created by barter?

6. What is meant by aggregate demand? Explain the various component of

aggregate demand.

7. Explain the concept of normal resident.

8. If LRR is 20% and initial deposits Rs 5000, explain the process of money

creation by the commercial bank.

9. State under what conditions in the following statements may be true: a. GDP is equal to GNP at market prices.

b. Domestic Income is greater than National Income

c. Value of output is equal to Value Added.

10. In a hypothetical market of mobile phones, the brand AWAAZ was

leading the market

share. Its nearest competitor VAARTA suddenly changed its strategy by

bringing in a new

model of the mobile phone at a relatively lesser price. In response,

AWAAZ too slashed its

price.

Based on the above information, identify the form of market represented and

discuss any four

features of the market.

11. Explain circular flow with two sector economy.

RIVISION (MICROECONOMICS)

Consumers equilibrium

Demand

Cost & Revenue

PROJECT WORK

Students must submit project work immediately after autumn

break.