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Q.

Is it true that the velocity of sound in air at the given temperature decreases with increase in pressure?


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a

True

b

False  

answer is B.

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Detailed Solution

The above statement is False.
The velocity of the sound in the air is the distance travelled by the sound wave in a unit of time, provided the wave is propagating through an elastic medium. The speed of sound in air is dependent on the following factors:
●        The temperature of the air
●        The density of air
●        Air humidity
Therefore, the velocity of air does not change with any change in pressure.
 
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