Velocity of sound in air is $332 m / s$ . its velocity in vacuum is

> 332 m s^{- 1}

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3 \times 10^{8} m s^{- 1}

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332 m s^{- 1}

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None of these

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Solution

The correct option is B None of these
Sound waves require medium for propagation. So, the velocity will be zero.

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Similar questions

332 m s^{- 1}

Velocity of sound in air is 332 m/s. Its velocity in vacuum will be

332 m s^{- 1}

332 m/s

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