Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Thermodynamics Second Law of Thermodynamics and Entropy
Which of the following statements do not explicitly describe the second law of thermodynamics?
1
Every actual spontaneous process is irreversible
2
The entropy of a perfect crystal at absolute zero temperature is exactly equal to zero
3
Heat cannot pass spontaneously from a body of lower temperature to a body of higher temperature without external effort
4
More than one of the above
5
None of the above