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JEE Main2002PhysicsKinetic Theory of GasesActual

At what temperature is the r.m.s. velocity of a hydrogen molecule equal to that of an oxygen molecule at 47^ C ?

Options

  1. A80 K
  2. B73 K
  3. C3 K
  4. D20 K

Correct answer

D. 20 K

Step-by-step solution

v _ ms T / m ; 273+47 32 = T 2 or T =20 ~K

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