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. We get energy from food during a day which is equivalent to the energy obtained from _______ liter petrol.
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. The escape velocity from the earth surface in km s-1 is about
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Which of the following is not conservative force
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. Which of the following types of force does not work on the particle when it acts on it?
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. From which source would the release of energy be affected by the change in the earth’s gravitational field
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. 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 6 of 15

Question 7 of 15

7. The relation between the escape velocity Vesc and orbital speed Vo is given by
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. One mega watt hour is equal to
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. Temperature of hot igneous rocks is about
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Work done by the force of friction is
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. The escape velocity of a body in gravitational field of earth is independent of
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. The pull of moon can distort the continents by pulling and up and down by as much as
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. 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 14 of 15

Question 15 of 15

15. The tides raise the water in the sea roughly in a day
A.
B.
C.
D.

Question 15 of 15


 

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