JEE Physics · Medium

Kinetic Theory and Thermodynamics: Specific Heat MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Specific HeatMediumQuestion 31066

Question

For a monatomic ideal gas, ratio Cp/Cv is:
  1. A
    7/5
  2. B
    5/3
    Correct
  3. C
    4/3
  4. D
    8/6

Correct answer

5/3

Explanation

Monatomic: Cv = 3R/2, Cp = 5R/2. γ = 5/3 ≈ 1.67.