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If at same temperature and pressure, the...

If at same temperature and pressure, the densities for two diatomic gases are respectively `rho_1` and `rho_2`, then the ratio of velocities of sound in these gases will be

A

`sqrt frac(rho_2)(rho_1)`

B

`sqrt frac(rho_1)(rho_2)`

C

`rho_1 rho_2`

D

`sqrt(rho_(1)rho_(2))`

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