Sound – Online MCQs – Physics 10th

1. Sound waves are produced by:

2. Bats can hear frequencies up to:

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

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

5. The loudness and amplitude of sound vary:

6. Main sources of noise pollution are:

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

8. It is extensively used in marine applications.

9. The speed of sound in air is directly proportional to the square root of the:

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

11. Sound is a form of:

12. For hearing clear echoes, the minimum distance of the obstruction from the source of sound should be:

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

14. Which types of waves cannot travel through a vacuum?

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

16. Sound waves Cannot pass through

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

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

19. The cause of the echo is:

20. The reflection of sound is called