Second law of thermodynamics is concerned with the
A
Amount of energy transferred
B
Direction of energy transfer
C
Irreversible processes only
D
Non-cyclic processes only
Correct Answer: Direction of energy transfer
As first law of thermodynamics failed to tell about the direction of energy transfer and spontaneity of a process the second law of thermodynamics is introduced it tells about the direction of energy transfer and tells about spontaneity of a process etc.