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The velocity of sound in air at 0^@C is ...

The velocity of sound in air at `0^@C` is `[rho=1.29 kg m^(-3)` lambda=1.36`, density of mercury=`13000 kg//m^3`, g=9.8 m//s^2]`.

A

`336.8 m//s`

B

`319.5 m//s`

C

`316.8 m//s`

D

`306.8 m//s`

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