Sound Class 8 MCQs Questions with Answers

1. Vibration is also known as

2. Voice of man is heavy compared to a woman because

3. Frequency is expressed in

4. The voice box is also called as

5. Loudness of sound is determined by

6. A pendulum oscillates 20 times in 4 seconds. Find its time period.

7. The number of vibrations made by a vibrating body in one second is

8. Cochlea is a part of

9. Pitch of sound is determined by its

10. Sound is produced by

11. The number of oscillations per second is called

12. 1 hertz is equal to

13. The velocity of sound at 20°C is approximately

14. The sound in the audible range is called

15. Sound cannot travel through

16. Sound is a kind of

17. When the amplitude of vibration is large, sound produced is

18. The hearing range of human ear is

19. The maximum displacement of a body from its mean position is called

20. The frequency of subsonic sound is