Q.

What happens to the speed of sound when we increase the temperature of the medium of propagation?


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a

Decreases

b

No change

c

Increases

d

Decreases and then increases. 

answer is C.

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Detailed Solution

The speed of sound increases when we increase the temperature of the medium of propagation.
The speed of sound increases as we increase the temperature of the medium it uses to propagate. It is so because in high temperatures, the bond between the particles becomes loose, and vibrations become easy. Since sound travels in the form of vibrations, it becomes easier for sound waves to travel. That is the reason why sound travels a bit faster during summers and a bit slower during winters.
 
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