An ideal gas expands isothermally from a volume $V_1$ to $V_2$ and then compressed to original volume $V_1$ adiabatically. Initial pressure is $P_1$ and final pressure is $P_3$. The total work done is $W$. Then
An ideal gas expands isothermally from a volume $V_1$ to $V_2$ and then compressed to original volume $V_1$ adiabatically. Initial pressure is $P_1$ and final pressure is $P_3$. The total work done is $W$. Then
- A
$P_3 > P_1$, $W > 0$
- B
$P_3 < P_1$, $W < 0$
- C
$P_3 > P_1$, $W < 0$
- D
$P_3 = P_1$, $W = 0$
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