Energy Sources and Transfer of Energy – Online MCQs Test – Physics 9th

1. If a body of mass 1 kg is moving with velocity of 1m/sec then K.E of the body will be ____________.

2. Wood, organic material, garbage and sugarcane are sources of:

3. Efficiency is :

4. 1 joule = ________

5. A body of mass 1kg is lifted through a height of 1m. The energy possessed in the body will be _________. (consider g = 10ms^-2)

6. The energy that a body possesses by virtue of its position, shape or state of a system is known as:

7. The energy released during fission or fusion reaction is called ____________.

8. joule / sec __________

9. If force of 6N displaces an object 2m in the direction of force, then work done will be __________.

10. Coal, gas and oil are all examples of _________.

11. ____________ is not a renewable source of energy.

12. Mathematically potential energy is given as:

13. Power is a:

14. The amount of energy transferred per unit time is called as:

15. Which one of the following has no unit?

16. If a machine performs 20J of work in 10sec then its power is ____________.

17. Unit of power is:

18. Fossil fuels have stored:

19. When a force makes something move, in Physics, it is called:

20. The ability to do work is defined as: