Effect on entropy in cyclic process - Thermodynamics

Q.  When a system is taken from state A to state B through a reversible path 1 and again the system is taken to its initial state A from B through different reversible path 2, then what will be the effect on entropy?
- Published on 19 Aug 15

a. entropy increases
b. entropy decreases
c. entropy remains constant
d. none of the above

ANSWER: entropy remains constant

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