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Question

Entropy of an adiabatic reversible process is:

A
Positive
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B
Zero
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C
Negative
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D
Constant
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Solution

The correct option is A Zero
As we know that in reversible adiabatic process, internal entropy change is always zero. Adiabatic means no transfer of heat. So we can conclude that the entropy and heat change in adiabatic reversible process is zero.

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