Refer to the given figure. Let ΔU1 and ΔU2 be the changes in internal energy of the system in processes A and B. Then:
      

1. ΔU1 > ΔU2
2. ΔU1 = ΔU2 
3. ΔU1 < ΔU2
4. ΔU ≠ ΔU2

Subtopic:  Basic Terms |
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