1.

The ratio of the speed of sound in nitrogen gas to that in helium gas, at 300K isA. `sqrt((2//7))`B. `sqrt((1//7))`C. `(sqrt(3))//5`D. `(sqrt(6))//5`

Answer» Correct Answer - B
`((C)N_(2))/((C)He) = sqrt((M_(He))/(M_(N_(2)))) = sqrt((4)/(28)) = sqrt((1)/(7))`.


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