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: NCERT Class 11 Physics Part II, Chapter 12, Thermodynamics._
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