Sound – Online MCQs – Physics 10th

1. The reflection of sound is called

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

3. Sound waves Cannot pass through

4. When the frequency of sound increases, the wavelength and period

5. Sound is a form of:

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

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

8. The approximate value of the speed of sound in air at 0°C temperature is:

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

10. Main sources of noise pollution are:

11. It is extensively used in marine applications.

12. The technique used to locate underwater depths or locating objects lying deep on the ocean floor is called:

13. A safe level of noise depends on

14. The speed of sound is the same in al! mediums. This statement is:

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

16. Sound waves are:

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

18. Sound waves are produced by:

19. The speed of sound varies with

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