Physics
Heat
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Question

If the ratio of specific heat of a gas at constant pressure to that at constant volume is gamma , the change in internal energy of a mass of gas, when the volume changes from V to 2V constant pressure p, is

  1. R divided by left parenthesis gamma minus 1 right parenthesis
  2. p V
  3. p V divided by left parenthesis gamma minus 1 right parenthesis
  4. gamma p V divided by left parenthesis gamma minus 1 right parenthesis

The correct answer is: p V divided by left parenthesis gamma minus 1 right parenthesis


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