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Kinetic Theory

JEE Main level, single correct, medium

89 of 168

Question 89 of 168

If one mole of the polyatomic gas is having two vibrational modes and $\beta$ is the ratio of molar specific heats for polyatomic gas $\left(\beta =\dfrac{{C}_{P}}{{C}_{v}}\right)$ then the value of $\beta$ is :

Show answer and solution

Answer: (B) $1.2$

f=4+3+3=10

, assuming non-linear,

\beta =\dfrac{{C}_{p}}{{C}_{v}}=1+\dfrac{2}{f}=\dfrac{12}{10}=1.2

JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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More Physics practice

JEE Main Physics practice question on Kinetic Theory (Degree of Freedom and Specific Heat), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.

If one mole of the polyatomic gas is having two vibrational modes and β\betaβ is the ratio of molar specific heats for polyatomic gas (β=CPCv)\left(\beta =\dfrac{{C}_{P}}{{C}_{v}}\right)(β=Cv​CP​​) then the value of β\betaβ is :

JEE Main question paper PDF

More Physics practice

If one mole of the polyatomic gas is having two vibrational modes and $\beta$ is the ratio of molar specific heats for polyatomic gas $\left(\beta =\dfrac{{C}_{P}}{{C}_{v}}\right)$ then the value of $\beta$ is :