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In a certain gas, the ratio of the veloc...

In a certain gas, the ratio of the velocity of sound and root mean square velocity is `sqrt(5//9)`. The molar heat capacity of the gas in a process given by `PT = constant` is.
(Take `R = 2 cal//mol K`). Treat the gas as ideal.

A

`(R )/(2)`

B

`(3R)/(2)`

C

`(5R)/(2)`

D

`(7R)/(2)`

Text Solution

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The correct Answer is:
D
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