Sound Class 8 MCQs Questions with Answers

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

2. Cochlea is a part of

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

4. The hearing range of human ear is

5. Sound cannot travel through

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

7. Loudness of sound is determined by

8. Pitch of sound is determined by its

9. The sound in the audible range is called

10. 1 hertz is equal to

11. The voice box is also called as

12. Sound is a kind of

13. The frequency of subsonic sound is

14. Vibration is also known as

15. The number of oscillations per second is called

16. Frequency is expressed in

17. Sound is produced by

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

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

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