Published by:
CGP EDU Academic Team
Published on: August 21, 2026
Reversible expansion of an ideal gas under isothermal and adiabatic conditions are as shown in the figure.
AB 
Isothermal expansion
AC 
Adiabatic expansion
Which of the following options is not correct?
A
Tc>T A
B
S isothermal > 
S adiabatic
C
Ta=T b
D
W isothermal > W adiabatic
Text Solution
Verified by ExpertsThe correct answer is:
Since graph A to C represents adiabatic reversible expansion, so work is done on the expense of internal energy, therefore, internal energy is consumed and there is decrease in internal energy, So the temperature decreases, i.e., T c < T A
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