Physics-
General
Easy

Question

A sample of ideal monoatomic gas is taken round the cycle ABCA as shown in the figure. The work done during the cycle is

  1. Zero    
  2. 3 PV    
  3. 6 PV    
  4. 9PV    

The correct answer is: 3 PV


    Work done = Area enclosed by indicator diagram
    equals fraction numerator 1 over denominator 2 end fraction cross times left parenthesis 3 V minus V right parenthesis left parenthesis 4 P minus P right parenthesis equals 3 P V

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