A) \[\frac{\gamma +1}{\gamma -1}\]
B) \[\frac{\gamma -1}{\gamma +1}\]
C) \[\frac{1}{2}(\gamma -1)\]
D) \[\frac{2}{\gamma -1}\]
Correct Answer: D
Solution :
The ratio of specific heats at constant pressure and constant volume \[\gamma \] is related with degree of freedom as \[\gamma =1+\frac{2}{n}\] or \[\gamma -1=\frac{2}{n}\] Hence \[n=\frac{2}{\gamma -1}\]
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