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# A system goes from A to B via two process I and II as shown in figure. If $\Delta U_1$ and $\Delta U_2$ are the changes in internal energies in the process I and II respectively, then : <br>

( A ) $\Delta U_2 < \Delta U_1$
( B ) $\Delta U_1 = \Delta U_2$
( C ) relation between $\Delta U_1$ and $\Delta U_2$ cannot be determined
( D ) $\Delta U_2 > \Delta U_1$