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List of top Physics Questions on kinetic theory

The equation for the RMS velocity is given as \[ v_{\text{rms}} = \sqrt{\frac{3RT}{M_0}} \] where \( R \) is the gas constant, \( T \) is the temperature, and \( M_0 \) is the molecular mass. If the temperature is increased, find the new RMS velocity \( v_{\text{rms}} \) when the temperature is doubled.}
  • MHT CET - 2025
  • MHT CET
  • Physics
  • kinetic theory
In a mixture of gases, the average number of degrees of freedom per molecule is 6. If the rms speed of the molecule is \(c\), what is the velocity of sound in the gas?
  • BITSAT - 2025
  • BITSAT
  • Physics
  • kinetic theory
If \( n \) is the number density and \( d \) is the diameter of the molecule, then the average distance covered by a molecule between two successive collisions (i.e., mean free path) is represented by:
  • MHT CET - 2024
  • MHT CET
  • Physics
  • kinetic theory
At which temperature will the r.m.s. velocity of a hydrogen molecule be equal to that of an oxygen molecule at \( 47^\circ \text{C} \)?
  • MHT CET - 2024
  • MHT CET
  • Physics
  • kinetic theory
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