Question

The second law of thermodynamic says that in a cyclic process

A. Work cannot be converted into heat

B. Heat cannot be converted into work

C. Work cannot be completely converted into heat

D. Heat cannot be completely converted into work​

Answer 1

Work cannot be converted into heat

Heat cannot be converted into work

Work cannot be completely converted into heat

Heat cannot be completely into work

Solution :

According to second law, work can always be completely converted into heat but heat cannot be completely converted into work

So ur ans is

(B)heatcannot be converted into work

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