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
A.
B.
C.
D.

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
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. One mega watt hour is equal to
A.
B.
C.
D.

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
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. ________ cell converts solar energy into electrical energy
A.
B.
C.
D.

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?
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Propulsion force of a rocket is
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Gravitational P.E of a body can be found by
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. The relation between horse power and watt is
A.
B.
C.
D.

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.
A.
B.
C.
D.

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
A.
B.
C.
D.

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
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. When two protons are brought close, their
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. Work has the dimension as that of same as that of
A.
B.
C.
D.

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
A.
B.
C.
D.

Question 15 of 15


 

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