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NEET2015PhysicsThermodynamicsActual

For an adiabatic expansion of a mono atomic perfect gas, the volume increases by 24 % . What is the percentage decrease in pressure?

Options

  1. A24 %
  2. B40 %
  3. C48 %
  4. D71 %

Correct answer

B. 40 %

Step-by-step solution

As we know that aligned p V^ & =K p V^ +p V^ -1 V & =0 aligned ( p p )=- ( V V ) For monoatomic gas, = 5 3 p p = 5 3 24 %=40 %

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