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Question 31033
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Kinetic Theory and Thermodynamics: Entropy MCQ

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EntropyHardQuestion 31033

Question

For a reversible process, change in entropy of universe is:
  1. A
    Positive
  2. B
    Negative
  3. C
    Zero
    Correct
  4. D
    Infinite

Correct answer

Zero

Explanation

Reversible process: ΔS_universe = 0. Only irreversible processes increase total entropy.

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