Q. First law is not applicable to

पहला कानून लागू नहीं होता

A
Open system
खुली प्रणाली
B
Closed system
बंद व्यवस्था
C
Cyclic process
चक्रीय प्रक्रिया
D
Perpetual motion machine
सतत गति मशीन

Explanation

The first law is universally applicable except hypothetical perpetual motion machines, which violate conservation of energy.

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