Sound – Online MCQs – Physics 10th

Online MCQs Test | Unit 11 : Sound | Physics Class 10th | Sindh Board Science Group

Online MCQs Test of Chapter 11 (Sound) Physics Class 10th Science Group – Sindh Board. According to New Examination Pattern / Syllabus of Sindh Board

1. Sound waves are produced by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Loudness depends upon:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Frequency of infrasonic waves is __________ than the frequency of ultrasound waves.

 
 
 
 

9. The reflection of sound is called

 
 
 
 

10. On increasing the temperature, the speed of sound in air:

 
 
 
 

11. Pitch depends upon:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. The speed of sound varies with

 
 
 
 

15. Generally, we classify ultrasound as those having frequencies above:

 
 
 
 

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

 
 
 
 

17. Sound waves Cannot pass through

 
 
 
 

18. The separation between two consecutive compressions of the sound wave is called:

 
 
 
 

19. It is extensively used in marine applications.

 
 
 
 

20. To hear g clear echo, the time interval between the produced original sounds and the reflected one must be at least:

 
 
 
 


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