In the following figure, four curves A, B, C and D are shown. The curves are
(1) Isothermal for A and D while adiabatic for B and C
(2) Adiabatic for A and C while isothermal for B and D
(3) Isothermal for A and B while adiabatic for C and D
(4) Isothermal for A and C while adiabatic for B and D
Related Videos :-
(4) Adiabatic curves are more stepper than isothermal curves.