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

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

2. Efficiency is :

3. Mathematically, kinetic energy is represented by:

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

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

6. Power is a:

7. The S.I unit of energy is:

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

9. 1 joule = ________

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

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

12. The ability to do work is defined as:

13. Which one of the following has no unit?

14. The S.I unit of work is:

15. Mathematically potential energy is given as:

16. Work done per unit time is called __________.

17. ____________ is not a renewable source of energy.

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

19. This kind of energy is stored in the Earth as its natural heat.

20. Water stored in a dam is an example of: