JEE Main & Advanced
Physics
Thermodynamical Processes
Question Bank
Self Evaluation Test - Thermodynamics
question_answer
The pressure-volume diagram shows six curved paths that can be followed by the gas (connected by vertical paths). Which two of them should be part of a closed cycle if the net work done by the gas is to be its maximum positive value?
A)af
B) ae
C)ac
D) ce
Correct Answer:
B
Solution :
[b] Work done in expansion is positive and in compression it is negative.