Sound – Online MCQs – Physics 10th

1. Sound with frequencies below the lower limit of the human range of audibility is known as:

2. As compared to air, the speed of sound in liquids and solids is

3. The loudness of sound varies directly with the vibrating body:

4. The loudness and amplitude of sound vary:

5. If a wave completes 20 vibrations in 2.5s, then its frequency is:

6. Sound waves are produced by:

7. Sound is a form of:

8. At a temperature of 20°C, the speed of sound is:

9. The speed of sound depends on the properties such as:

10. To propagate, sound needs a material medium of:

11. The unit of quantity on which the pitch of the sound depends is:

12. It is extensively used in marine applications.

13. Audible frequencies range that a normal human ear can detect is:

14. The S.I unit sound of intensity is:

15. Bats can hear frequencies up to:

16. The two factors that affect the speed of sound in the air are:

17. Quality of sound that distinguishes between a shrill and q flat sound is called:

18. The speed of sound varies with

19. Sound travels faster in solid as compared to gases because of:

20. The order of speed of the sound in different mediums from faster to slowest is: