A) \[\Delta Q=\Delta Q\]
B) \[\Delta Q=\Delta W\]
C) \[\Delta U=\Delta W\]
D) none of these
Correct Answer: A
Solution :
An isochoric process is a constant volume process. In an isochoric process V = constant or \[\Delta V=0\] So, work done \[\Delta W=P\Delta V=0\] From first law of thermodynamics \[\Delta Q=\Delta U+\Delta W\] \[\Rightarrow \] \[\Delta Q=\Delta U\] Note: P-V diagram of isochoric process is a straight line parallel to P-axis.
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