Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Which of the following relations are correct?
A. 
B. 
C. 
D. 
Choose the most appropriate answer from the options given below:
Text Solution
Verified by ExpertsThe correct answer is:
B
Only and are correct.
At constant T
Acc. to first law of thermodynamics
If we apply constant 
and reversible work.
Acc. to 2nd law of thermodynamics.
At constant T
For ideal gas
At constant T
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