Velocity of sound in air is 320m/s. Its velocity in vacuum will be
> 332 m/s
= 332 m/s
< 332 m/s
meaningless
A
meaningless
B
> 332 m/s
C
= 332 m/s
D
< 332 m/s
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Solution
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The velocity of sound in air is 320m/s. Its velocity in vacuum will be meaningless. As sound cannot travel in vacuum. Sound is a wave which spread through the vibrations of particle in medium such as air, water and vacuum is a empty space.
The correct option is D.
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