railway RRB JE (CBT I + CBT II) Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy Entropy and Irreversibility
Which of the following statements is/are correct?
A) Entropy of isolated system never decreases.
B) \(\mathop \oint \nolimits \frac{{\partial Q}}{T} = 0\) for Reversible cycle
C) Entropy of system is zero at 0 Kelvin
1
A and B
2
B and C
3
C and A
4
A, B and C