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Heat and Thermodynamics question

2025 · 22 Jan · Shift 2 · Q66

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JEE Main
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Heat and Thermodynamics
2025 · 22 Jan · Shift 2 · Q66

Heat and Thermodynamics question

2025 · 22 Jan · Shift 2 · Q66

JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1

For a diatomic gas, if

\gamma_1=\left(\frac{C p}{C v}\right)

for rigid molecules and

\gamma_2=\left(\frac{C p}{C v}\right)

for another diatomic molecules, but also having vibrational modes. Then, which one of the following options is correct? (Cp and Cv are specific heats of the gas at constant pressure and volume)

A
$\gamma_2\lt \gamma_1$
B
$\gamma_2\gt \gamma_1$
C
$\gamma_2=\gamma_1$
D
$2 \gamma_2=\gamma_1$

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