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$(A)$ $PV = 	ext{constant}$ (Isothermal process). Since $T$ is constant, $\Delta U = 0$. As $V$ increases, $W$  >  0. By first law, $\Delta Q = W + \

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$A-PR, B-RS, C-PRS, D-QT$

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$(A)$ $PV = ext{constant}$ (Isothermal process). Since $T$ is constant, $\Delta U = 0$. As $V$ increases, $W$ > 0. By first law, $\Delta Q = W + \Delta U = W$ > 0. Matches: $(P, R)$.$(B)$ $P \propto T$ (Isochoric process). $W = 0$. As $T$ increases, $\Delta U$ > 0. By first law, $\Delta Q = \Delta U$ > 0. Matches: $(R, S)$.$(C)$ $P = ext{constant}$ (Isobaric expansion). As $V$ increases, $W$ > 0. Since $T$ increases, $\Delta U$ > 0. By first law, $\Delta Q = W + \Delta U$ > 0. Matches: $(P, R, S)$.$(D)$ $V \propto T$ (Isobaric compression). As $V$ decreases, $W$ < 0. Since $T$ decreases, $\Delta U$ < 0. By first law, $\Delta Q = W + \Delta U$ < 0. Matches: $(Q, T)$.

Column-$I$	Column-$II$
$(A)$ $PV$ vs $V$ (Isothermal expansion)	$(P)$ $W$ > 0
$(B)$ $P$ vs $T$ (Isochoric heating)	$(Q)$ $W$ < 0
$(C)$ $P$ vs $V$ (Isobaric expansion)	$(R)$ $\Delta Q$ > 0
$(D)$ $V$ vs $T$ (Isobaric compression)	$(S)$ $\Delta U$ > 0
	$(T)$ $\Delta U$ < 0

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