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  4. For reversible process, total change in entropy of universe is

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Q. For reversible process, total change in entropy of universe is

NTA AbhyasNTA Abhyas 2020Thermodynamics

Solution:

For a reversible process
$\Rightarrow \Delta S_{s y s t e m}+\Delta S_{s u r r o u n d}=0$
$\Rightarrow \Delta S_{u n i v e r s e}=0$