question_answer

An ideal monoatomic gas is taken round the cycle LMNO as shown in following diagram. The work done during the cycle is

A)  pV             

B)  2pV

C)  3pV            

D)  4pV

Correct Answer: A

Solution :

 Work done in complete cycle = area of rectangular MMDC - Area of rectangular LODC \[=3p\times (2V-V)-2p(2V-V)\] \[=pV\]