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Question: Answered & Verified by Expert
A system goes from $A$ to $B$ via two processes I and II as shown in the figure. If $\Delta \mathrm{U}_1$ and $\Delta \mathrm{U}_2$ are the changes in internal energies in the processes I and II respectively, the

PhysicsThermodynamicsJEE MainJEE Main 2005
Options:
  • A
    $\Delta \mathrm{U}_1=\Delta \mathrm{U}_2$
  • B
    relation between $\Delta \mathrm{U}_1$ and $\Delta \mathrm{U}_2$ can not be determined
  • C
    $\Delta \mathrm{U}_2>\Delta \mathrm{U}_1$
  • D
    $\Delta \mathrm{U}_2 < \Delta \mathrm{U}_1$
Solution:
1643 Upvotes Verified Answer
The correct answer is:
$\Delta \mathrm{U}_1=\Delta \mathrm{U}_2$
Internal energy is state function

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