According to second law of thermodynamics a) All heat can be converted into work b) The efficiency of a heat engine is alwayslesser than unityc) It is not possible to transfer heat from lowerto higher temperature by it self

According to second law of thermodynamics a) All heat can be converte

1.	According to second law of thermodynamics a) All heat can be converted into work b) The efficiency of a heat engine is alwayslesser than unityc) It is not possible to transfer heat from lowerto higher temperature by it self
Answer» both a and B are TRUE both b and C are true both a and c are true a, b, c are true Answer :B