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Question 31063
JEE Physics · Medium

Kinetic Theory and Thermodynamics: Carnot Engine MCQ

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Carnot EngineMediumQuestion 31063

Question

Carnot engine has efficiency 40%. If hot reservoir temperature is 500 K, cold reservoir is:
  1. A
    200 K
  2. B
    300 K
    Correct
  3. C
    400 K
  4. D
    100 K

Correct answer

300 K

Explanation

η = 1 − T₂/T₁ → 0.4 = 1 − T₂/500 → T₂ = 300 K.

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