Download CBSE Computer Science Sample Paper Class XI (11th) 2008

SAMPLE PAPER - 2008

Class   - XI

Subject - Physics (Theory)

(set-1)

 

Time:    3 hours                                                  Max. Marks   70

 

General Instructions

1.      All questions are compulsory. Symbols have their usual meaning.

2.      Q.No. 1 to 8 are of very short answer type questions, carrying 1 mark each.

3.      Q.No.9 to 18 are of short answer type questions, carrying 2 marks each.

4.      Q. No. 19 to 27 carry 3 marks each.

5.      Q. No. 28 to 30 carry 5 marks each.

6.      Use of calculator is not permitted. However you may use log table, if required.

7.      Draw neat labelled diagram wherever   necessary to explain your answer.

 

1. What does speedometer of a car indicates?
2. Write down the dimensions of viscosity coefficient.
3. What is the effect on viscosity of gases when temperature is increased?
4. A light body and heavy body have equal momentum, which one have greater kinetic energy?
5. Why do we use ball –bearings?
6. State Newton’s universal law of gravitation and express it in vector form.

      7.  Calculate the moment of inertia of a uniform ring of mass 500 g and radius

10 cm, about its diameter.

8. What would be the excess pressure inside a water bubble of radius 0.2 mm?

Surface tension of water at C is 0.72 X    N/m

9. How errors are combine in following mathematical operations of physical quantities?

i)  Subtraction           ii) Product

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