Q.
In figure a certain mass of gas traces three paths 1, 2, 3 from state $A$ to state $B$. If work done by the gas along three paths are $W_{1},\ W_{2},\ W_{3}$ respectively, then
A) $W_{1} < W_{2} < W_{3}$
B) $W_{1} = W_{2} = W_{3}$
C) $W_{1} > W_{2} > W_{3}$
D) Cannot say
Explanation
(c) As work done by the gas = area under the $p - V$ curve, therefore $W_{1} > W_{2} > W_{3}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.