A given system undergoes a change in which the work done by the system equals the decrease in its internal energy. The system must have undergone :
Isothermal change
Adiabatic change
Isobaric change
Isochoric change
A
Isothermal change
B
Adiabatic change
C
Isobaric change
D
Isochoric change
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Solution
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Given dW=−dU
So, dW+dU=0
So, dQ=0
The process is adiabatic.
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