Question
Question: P-V diagram of an ideal gas is as shown in figure. Work done by the gas in the process ABCD is – 
A
4P0V0
B
2P0V0
C
3P0V0
D
P0V0
Answer
3P0V0
Explanation
Solution
W = WAB + WBC + WCD
= – P0V0 + 0 + 2P02V0
= 3 P0V0