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Which of the following is a true stateme...

Which of the following is a true statement

A

The total entropy of thermally interacting systems is conserved

B

Camot engine has 100% efficiency

C

Total entropy does not change in a reversible process

D

Total entropy in an irreversible process can either increase or decrease

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaS_("universe") ge 0`
`DeltaS gt 0 rarr` irreversible process
`DeltaS=0 rarr` reversible process.
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Knowledge Check

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