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Question

Velocity of sound in vacuum is
0
$330 m s^{- 1}$
$360 m s^{- 1}$
$660 m s^{- 1}$

A

0

B

360 m s^{- 1}

C

330 m s^{- 1}

D

660 m s^{- 1}

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Solution

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Sound waves are mechanical waves. These waves require propagation. They cannot propagate through vacuum.

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