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MHT CET20242 May 2024Evening ShiftPhysicsKinetic Theory of GasesActual

The average translational kinetic energy of - nitrogen (molar mass 28) molecules at a particular temperature is 0.042 eV . The translational kinetic energy of oxygen molecules (molar mass 32 ) in eV at double the temperature is

Options

  1. A0.021
  2. B0.048
  3. C0.056
  4. D0.084

Correct answer

D. 0.084

Step-by-step solution

E _ ( N ₂ ) =0.042 eV Translational Kinetic Energy is given by, array ll & E= 3 2 k T & E T & E_ (N₂ ) E_ (O₂ ) = T₁ T₂ & 0.042 E_ (O₂ ) = T 2 T & E_ (O₂ ) =0.084 eV array

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