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

  • A
    The relation between $\Delta U_1$ and $\Delta U_2$ cannot be determined.
  • B
    $\Delta U_1 = \Delta U_2$
  • C
    $\Delta U_1 < \Delta U_2$
  • D
    $\Delta U_1 > \Delta U_2$

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