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(C) For an adiabatic process,the relationship between pressure $P$ and temperature $T$ is given by $P^{1-\gamma} T^{\gamma} = 	ext{constant}$,which c

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$3/2$

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(C) For an adiabatic process,the relationship between pressure $P$ and temperature $T$ is given by $P^{1-\gamma} T^{\gamma} = 	ext{constant}$,which can be rewritten as $P \propto T^{\frac{\gamma}{\gamma-1}}$.Given that $P \propto T^3$,we can equate the exponents of $T$:$\frac{\gamma}{\gamma-1} = 3$$\gamma = 3(\gamma - 1)$$\gamma = 3\gamma - 3$$2\gamma = 3$$\gamma = 3/2$Since the ratio $C_P / C_V$ is defined as $\gamma$,the value is $3/2$.

During an adiabatic process,the pressure of a gas is found to be proportional to the cube of its temperature. The ratio $C_P / C_V$ for this gas is ........

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