Class/Course - Class XI

Subject - Physics

Chapter - Kinetic Theory

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Q.1 At ordinary temperatures, the molecules of an ideal gas have only translational and rotational kinetic energies . At high temperatures, they may also have vibrational energy. As a result of this, at higher temperature, molar specific heat capacity at constant volume, Cv is
  > 5R/2 for a diatomic gas
  >3R/2 for a monoatomic gas
  <5R/2 for a diatomic gas
  = 3R/2 for a monoatomic gas