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Q.

Is it true sound does not travel faster in a vacuum than in air?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
Sound, as a longitudinal wave, transfers energy and momentum.
Because sound is a mechanical wave that requires a medium to propagate, it cannot travel through a vacuum. As a result, there will be no sound propagation in a vacuum and thus no sound speed. However, because air acts as a medium for sound propagation, sound has some speed in the air.
 
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