JEE Main 2022 Physics question
Which statements are correct about degrees of freedom? (A) A molecule with n degrees of freedom has different ways of storing energy. (B) Each degree of freedom is associated with average energy per mole. (C) A monatomic gas molecule has 1 rotational degree of freedom whereas diatomic molecule has 2 rotational degrees of freedom. (D) has a total of 6 degrees of freedom. Choose the correct answer from the option given below:
Answer: (2)
Solution
(A) is incorrect. (B) is correct by the equipartition of energy: each degree of freedom carries per mole. (C) is incorrect: a monatomic gas has no rotational degree
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