If during an adiabatic process the pressure of mixture of gases is found to be proportional to square of its absolute temperature. The ratio of $C_p / C_v$ for mixture of gases is .........
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(a)
$P \propto T^2$
$P T^{-2}=$ constant $\quad$ compare with $P T^{\left(\frac{\gamma}{1-\gamma}\right)}=$ constant
$\frac{C_P}{C_V}=\gamma=2$
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