The second law of thermodynamics states that?(a) Entropy of an isolated system can never decrease over time(b) Entropy of a pure crystalline substance at 0K is 0(c) Energy is conserved(d) Entropy of a system can never decreaseThe question was posed to me by my school teacher while I was bunking the class.My question is based upon Second Law of Thermodynamics topic in section Thermodynamics of Physics – Class 11

The second law of thermodynamics states that?(a) Entropy of an isolate

1.	The second law of thermodynamics states that?(a) Entropy of an isolated system can never decrease over time(b) Entropy of a pure crystalline substance at 0K is 0(c) Energy is conserved(d) Entropy of a system can never decreaseThe question was posed to me by my school teacher while I was bunking the class.My question is based upon Second Law of Thermodynamics topic in section Thermodynamics of Physics – Class 11
Answer» Correct answer is (a) Entropy of an isolated system can NEVER DECREASE over TIME The explanation: The second LAW STATES that entropy of an isolated system can never decrease over time. There can be a system whose entropy decreases, but, at the same time in that process another system’s increase in entropy will more than compensate for that decrease.

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