Which of the following statement(s) is/are incorrect:
Statement (a) : Reversible isothermal compression of an ideal gas represents the limiting minimum value of the workdone (lwl) by the surrounding on the system.
Statement (b) : In an irreversible process, the cyclic integral of work is not zero.
Statement (c) : For thermodynamic changes in adiabatic process `""_(T)((C_(p.m))/(R)).P` = constant
Statement (d) : `DeltaS_("system")` is zero for reversible adiabatic expansion of an ideal gas.

Options

A. Statement c
B. Statement a, b, c
C. Statement a, b, d
D. All

Answer

A

Explanation

For adiabatic process `T^(gamma) P^(1- gamma)` = constant