SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Thermodynamics Second Law of Thermodynamics and Entropy
A process 'A' is irreversible and adiabatic process 'B' is reversible and adiabatic. The entropy change in process 'A' and process 'B', respectively are
1
Zero and positive
2
Zero and negative
3
Negative and zero
4
Positive and zero