• # question_answer The work done for the cycle shown in given figure will be A)  45 J    B)  54 J   C)                22.5 J              D)    32.5 J

The area of P-V diagram given work. The area of $\Delta abc$is $A=\frac{1}{2}\times 30\times 3=45\,J=\text{work}\,\text{done}$ Hence, the correction option is (a).