In the given figure, process-1 represents isobaric, process-2 represents isothermal and process-3 represents adiabatic processes of an ideal gas. If 
and 
be the changes in internal energy in these processes respectively, then:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Given figure is
Process-1 is isobaric expansion ( 
constant). Hence, temperature of gas will increase, therefore 
will be positive.
Process-2 is an isothermal process, 
Process-3 is an adiabatic expansion, hence temperature of gas will fall.
negative
Therefore, 
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