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If process is reversible then area under PV graph gives work done but if process is Irreversible area below PV graph give work done .why?

If process is reversible then area under PV graph gives work done but if process is Irreversible area below PV graph give work done .why?

Grade:12

1 Answers

Eshan
askIITians Faculty 2095 Points
4 years ago
Dear student,

It does not matter if a process is reversible or irreversible. This relationdW=PdVis general because it is derived for any compression under some applied pressure as-

dW=F.ds=(PA).ds=P(AdS)=PdV

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