If \( \gamma \) is the ratio of specific heats and \( R \) is the universal gas constant, then t...

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If \( \gamma \) is the ratio of specific heats and \( R \) is the universal gas constant, then the molar specific heat at constant volume \( C_{v} \) is given by
[KCET 2008]
(a) \( \frac{R}{\gamma-1} \)
(b) \( \frac{\gamma R}{\gamma-1} \)
(c) \( \gamma R \)
(d) \( \frac{(\gamma-1) R}{\gamma} \)
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