Study the given diagram. 3 moles of gas is put through a series of thermodynamic changes as shown graphically in a cyclic process. The processes A $\rightarrow$ B, B $\rightarrow$ C and C $\rightarrow$ A respectively are

Question

(a) isochoric, isobaric, isothermal
(b) isobaric, isochoric, isothermal
(c) isothermal, isobaric, isochoric
(d) isobaric, isothermal, isochoric