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Question 31030
JEE Physics · Medium

Kinetic Theory and Thermodynamics: Heat Engines MCQ

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Heat EnginesMediumQuestion 31030

Question

A Carnot engine absorbs 1000 J at T₁ = 500 K and rejects heat at T₂ = 300 K. Work done is:
  1. A
    200 J
  2. B
    300 J
  3. C
    400 J
    Correct
  4. D
    500 J

Correct answer

400 J

Explanation

η = 1 − 300/500 = 0.4. W = η × Q₁ = 0.4 × 1000 = 400 J.

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