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Question 31049
JEE Physics · Medium

Kinetic Theory and Thermodynamics: Heat Engine MCQ

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Heat EngineMediumQuestion 31049

Question

A heat engine absorbs Q₁ = 1000 J and rejects Q₂ = 600 J. Efficiency is:
  1. A
    40%
    Correct
  2. B
    60%
  3. C
    100%
  4. D
    50%

Correct answer

40%

Explanation

η = W/Q₁ = (Q₁−Q₂)/Q₁ = 400/1000 = 40%.

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