MHT CET 2023 Physics question

For a gas having 'X' degrees of freedom, '' is = ratio of specific heats = )

(A)
(B)
(C)Correct
(D)

Answer: (C)

Solution

By the law of equipartition of energy each degree of freedom contributes to the molar heat capacity at constant volume, so . By Mayer's relation . Hence

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Question ID VK-094679