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Questions  

A system goes from A to B via two processes I and II as shown in fig. If U1 and U2are the changes in internal energies in the process I and II respectively, then

 

a
ΔU2<ΔU1
b
ΔU2>ΔU1
c
ΔU1=ΔU2
d
relation between ∆U1and ∆U2cannot be determined.

detailed solution

Correct option is C

We know that ∆U1and ∆U2depend only upon initial and final states. Therefore,ΔU1=ΔU2

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