# Physics Work and Energy Test Online Preparation Mcqs

## Physics Work and Energy Test Online Preparation Mcqs With Answers Start Below

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Question 1 of 15

1. Work done will be maximum if the angle between the force F and displacement d is
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Question 1 of 15

Question 2 of 15

2. An elevator weighing 3.5x10+10 N is raised to a height of 1000 m in the absence of friction, the work done is
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D.

Question 2 of 15

Question 3 of 15

3. One mega watt hour is equal to
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Question 3 of 15

Question 4 of 15

4. The power output of a lamp is 6W. How much energy does the lamp give out in 2 minutes
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Question 4 of 15

Question 5 of 15

5. ________ cell converts solar energy into electrical energy
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Question 5 of 15

Question 6 of 15

6. Proton, electron and neutron and α particles have same momentum. Which of them have highest K.E?
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Question 6 of 15

Question 7 of 15

7. Propulsion force of a rocket is
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Question 7 of 15

Question 8 of 15

8. Gravitational P.E of a body can be found by
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Question 8 of 15

Question 9 of 15

9. The relation between horse power and watt is
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Question 9 of 15

Question 10 of 15

10. We get energy from food during a day which is equivalent to the energy obtained from _______ liter petrol.
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Question 10 of 15

Question 11 of 15

11. A car is driven along a level road. The total energy input from the petrol is 60kJ and the car wastes 45kJ of energy, what is the efficiency of car
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Question 11 of 15

Question 12 of 15

12. A tennis ball is dropped on to a horizontal surface. As the ball bounces up and down, the height of each bounce gradually decreases, during the motion of the ball
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Question 12 of 15

Question 13 of 15

13. When two protons are brought close, their
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Question 13 of 15

Question 14 of 15

14. Work has the dimension as that of same as that of
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Question 14 of 15

Question 15 of 15

15. The pull of moon can distort the continents by pulling and up and down by as much as
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D.

Question 15 of 15

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