An ideal gas is enclosed in a container of volume $V$ at a pressure $P$. It is being pumped out of the container by using a pump with stroke volume $v$. What is final pressure in container after $n$-stroke of the pump? (assume temperature remains same)
  • A$P\left(\frac{V}{V+v}\right)^n$
  • B$\frac{P V}{(V-v)^n}$
  • C$P \frac{V^n}{v^n}$
  • D$P\left(\frac{V}{V-v}\right)^n$
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