An ideal gas undergoes a quasi static, reversible process in which its molar capacity \( C \) re....

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An ideal gas undergoes a quasi static, reversible process in which its molar capacity \( C \) remains
\( \mathrm{P} \)
constant. If during this process the relation of pressure \( \mathrm{P} \) and volume \( V \) is given \( P V^{n}= \) constant,
W
then \( \mathrm{n} \) is given by (Here \( C_{p} \) and \( C_{V} \) are molar specific heat at constant pressure and constant volume, respectively):
(1) \( n=\frac{C_{P}-C}{C-C_{V}} \)
(2) \( n=\frac{C-C_{V}}{C-C_{P}} \)
(3) \( n=\frac{C_{P}}{C_{V}} \)
(4) \( n=\frac{C-C_{P}}{C-C_{V}} \)


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