Which one of the following is correct in the context of change of entropy of a system undergoing a reversible adiabatic process?
A. Positive for expansion process and negative for compression process
B. Positive for compression process and negative for expansion process
C. Negative for both the processes
D. Positive for both the processes
Answer:D
Which one of the following is correct in the context of change of entropy of a system undergoing a reversible adiabatic process?
A. Positive for expansion process and negative for compression process B. Positive for compression process and negative for expansion process C. Negative for both the processes D. Positive for both the processes