The graph of a thermodynamic process is ...

The graph of a thermodynamic process is a straight line parallel to pressure axis in P - V diagram. What is the work done in that process ?

zero

infinity

2PV

`sqrt(PV)`

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The correct Answer is:

The graph is straight line parallel to P axis i.e. the volume remains constant.
`therefore` It is an isochoric process for which dV = 0.
`therefore` Workdone = PdV = 0

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