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.
- What does speedometer of a car indicates?
- Write down the dimensions of viscosity coefficient.
- What is the effect on viscosity of gases when temperature is increased?
- A light body and heavy body have equal momentum, which one have greater kinetic energy?
- Why do we use ball –bearings?
- 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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