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The entropy of an isolated system can never:

AIncrease
BStay fixed
CBe counted
DDecrease
Answer & Solution
Correct answer: D. Decrease
1. Clausius framed the second law in terms of entropy. 2. For an isolated system the direction is fixed. 3. Its entropy can never decrease. _Source: syllabus Physics Part II, Chapter 12, Thermodynamics._
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