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Which statement is true about 2nd law of...

Which statement is true about 2nd law of Thermodynamics

A

Heat can be converted into work without changes in system or surroundings

B

It is possible to construct a perpetual motion machine of second kind

C

All spontaneous process are thermo dynamically irreversible

D

All spontaneous process are thermo dynamically reversible

Text Solution

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The correct Answer is:
C
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