1.

First law of thermnodynamics is given by   [CPMT 1977, 91]

A. \[dQ=dU+PdV\] 
B. \[dQ=dU\times PdV\]
C. If assertion is true but reason is false.
D. \[dQ=PdU+dV\]
Answer» B. \[dQ=dU\times PdV\]


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