In thermodynamics, a process is called reversible when(a) surroundings and system change into each other(b) there is no boundary between system and surroundings(c) the surroundings are always in equilibrium with the systemd) the system change into the surroundings spontaneously(e) the suroundings are always in equilbrium with the system

In thermodynamics, a process is called reversible when(a) surroundings

1.	In thermodynamics, a process is called reversible when(a) surroundings and system change into each other(b) there is no boundary between system and surroundings(c) the surroundings are always in equilibrium with the systemd) the system change into the surroundings spontaneously(e) the suroundings are always in equilbrium with the system
Answer» C ) The surroundings are always in equilibrium with the system.