JEE Physics · Hard

Kinetic Theory and Thermodynamics: PV Diagrams MCQ

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

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PV DiagramsHardQuestion 31058

Question

On T-S (temperature-entropy) diagram, area enclosed by a Carnot cycle equals:
  1. A
    Q₁
  2. B
    Q₂
  3. C
    Q₁−Q₂ = W
    Correct
  4. D
    ΔU

Correct answer

Q₁−Q₂ = W

Explanation

On T-S diagram, dQ = TdS. Area = ∮TdS = Q_absorbed − Q_rejected = net work done.