Question:
of the following is incorrect NCERT Pg 315 statement 1 Free
Last updated: 6/14/2023
of the following is incorrect NCERT Pg 315 statement 1 Free expansion of a gas is irreversible process 2 A thermodynamic process is reversible if process can be turned back so that both system and surrounding return to their original states 3 No process is possible whose sole result is transfer of heat from a colder object to hotter object 4 The efficiency of an ideal heat engine is unity