A piston can freely move inside a horizontal cylinder closed from both ends. Initially, the piston separates the inside space of the cylinder into two equal parts each of volume V 0 , in which an ideal gas is contained under the same pressure P 0 and at the same temperature. What work has to be performed in order to increase isothermally the volume of one part of gas 2 times compared to that of the other by slowly moving the position -
A
P 0 V 0
B
2 P 0 V 0
C
P 0 V 0 
n 
n
D
P 0 V 0 
Text Solution
Verified by ExpertsThe correct answer is:
C
External work = work done on both gases
= – (work done by the gases)
= – 
= – P 0 V 0 λ n 
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