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JIPMER2017PhysicsThermodynamics

p-V plots for two gases during adiabatic process as shown in figure plots 1 and 2 should correspond respectively to

Options

  1. AHe and O ₂
  2. BO ₂ and He
  3. CHe and Ar
  4. DO ₂ and N ₂

Correct answer

B. O ₂ and He

Step-by-step solution

Slope of adiabatic process of p-V diagram ( d p d v )= p V i.e. slope From graph ( slope )₂ (slope) )₁ ₂ ₁ for monoatomic gas (Ar, He) is greater than for diatomic gas ( O ₂, ~N ₂ )

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