The incorrect statement according to second law of themodynamics is

Options

A. Heat cannot flow from colder body to a hotter body of its own
B. All spontaneous processes are themody-namically irreversible
C. Heat can be converted into work completely without causing some permanent change in the system (or) surroundings
D. Perpetual motion machine of second kind is not possible

Answer

C

Explanation

`eta ne 1`