Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A gas is present in a cylinder fitted with movable piston. Above and below of the piston there is equal number of moles of gas. The volume above is two times the volume below at a temperature of 300K. At what temperature will the volume above be four times the volume below-
Text Solution
Verified by ExpertsThe correct answer is:
D
Let press given by piston = P 0
P A + P 0 = P B
or P 0 = P B – P A
or P 0 = 
– 
Let the final temperature = T
P ′ B = P 0 + P ′ A
or P 0 = P ′ B – P ′ A
or P 0 = 
– 
∴ 
× 
= 
× 3 × 
or T × 
= 300 × 
or T = 
× 300 × 
= 120 K
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