SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Thermodynamics Second Law of Thermodynamics and Entropy Entropy and Irreversibility
One kilogram of water at room temperature is brought into contact with a high-temperature thermal reservoir. The entropy change of the universe is
1
equal to entropy change of the reservoir
2
equal to entropy change of water
3
equal to zero
4
always positive