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Question 31035
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Kinetic Theory and Thermodynamics: First Law MCQ

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First LawHardQuestion 31035

Question

For a cyclic process, ΔU = 0. Therefore:
  1. A
    Q = 0
  2. B
    W = 0
  3. C
    Q = W
    Correct
  4. D
    Q + W = 0

Correct answer

Q = W

Explanation

First law: ΔQ = ΔU + W. For cycle, ΔU = 0, so ΔQ = W. Net heat absorbed = net work done.

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