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An ideal gas undergoes a reversible isot...

An ideal gas undergoes a reversible isothermal expansion from a state i to f. The change in entropy `Delta S (i rarr f)` is

A

0

B

`gt 0`

C

`lt 0`

D

Not defined for the process

Text Solution

Verified by Experts

The correct Answer is:
B
Since, process is isothermal expansion change in entropy is +ve.
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