question_answer

Directions: Question numbers 14 - 16 are based on the following paragraph.

Two moles of helium gas are taken over the cycle ABCDA, as shown in the P-T diagram.

Assuming the gas to be ideal the work done on the gas in taking it from A to B is:                    [AIEEE 2009]

A)  200 R  

B)       300 R

C)  400 R  

D)       500 R

Correct Answer: C

Solution :

[c]