Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The internal energy of a monoatomic gas is 3 nRT . One mole of helium is kept in a cylinder having internal cross section area of 
and fitted with a light movable frictionless piston. The gas is heated slowly by suppling 126 J heat. If the temperature rises by 
, then the piston will move 
cm. (atmospheric pressure 
)
Text Solution
Verified by ExpertsThe correct answer is:
C
Joule
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