A system goes from $A$ to $B$ via two processes $I$ and $II$ as shown in figure. If $\Delta {U_1}$ and $\Delta {U_2}$ are the changes in internal energies in the processes $I$ and $II$ respectively, then
AIEEE 2005,AIPMT 2013,AIIMS 2014, Easy
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(c) As internal energy is a point function therefore change in internal energy does not depends upon the path followed
i.e. $\Delta {U_{\rm{I}}} = \Delta {U_{{\rm{II}}}}$
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