Thermodynamics

JEE Main level, single correct, medium

104 of 190

Question 104 of 190

The correct relation between γ=CPCV\gamma =\dfrac{{C}_{P}}{{C}_{V}} and temperature TT is :

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Answer: (B) γ∝T0\gamma \propto {T}^{0}

The ratio of molar specific heat capacity at constant pressure to the molar specific heat capacity at constant volume is
CPCV=γ\dfrac{{C}_{P}}{{C}_{V}}=\gamma
where γ\gamma is constant for a given gas.
Therefore,
CPCV∝T0\dfrac{{C}_{P}}{{C}_{V}}\propto {T}^{0}

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