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Question

A system goes from A to B via two processes I and II as shown in figure .If capital deltaU1and if capital deltaUare the changes in internal energies in the processes I and II respectively, then the relation between If capital deltaU1andIf capital deltaU2is

  1. capital delta U subscript 1 end subscript equals capital delta U subscript 2 end subscript    
  2. capital delta U subscript 2 end subscript less than capital delta U subscript 1 end subscript    
  3. capital delta U subscript 2 end subscript greater than capital delta U subscript 1 end subscript    
  4. can not determine    

The correct answer is: capital delta U subscript 1 end subscript equals capital delta U subscript 2 end subscript

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