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(C) For the $P-V$ graph,draw a line parallel to the $V$-axis (constant $P$). At a constant pressure,the volume $V$ is directly proportional to the tem

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$T_2 > T_1 ; P_2 > P_1$

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(C) For the $P-V$ graph,draw a line parallel to the $V$-axis (constant $P$). At a constant pressure,the volume $V$ is directly proportional to the temperature $T$ $(V \propto T)$. Since the curve for $T_2$ is at a higher volume than $T_1$ for the same pressure,we have $T_2 > T_1$.For the $V-T$ graph,the equation is $V = (\frac{nR}{P})T$. The slope of the line is $\frac{nR}{P}$,which is inversely proportional to the pressure $P$. Since the slope of the line for $P_1$ is smaller than the slope of the line for $P_2$,it follows that $P_1 > P_2$.

From the following plots,find the correct option.

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