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PhysicsJEE Main 21 Jan 2026, Shift 2·Q5·MCQ·Easy–moderate

Kinetic Theory of Gases · Kinetic theory of an ideal gas

The r.m.s speed of oxygen molecules at 47∘47^\circC is equal to that of the hydrogen molecules kept at ∘^\circC. (Mass of oxygen molecule/mass of hydrogen molecule =32/2= 32/2)
  1. (1)−235-235
  2. (2)−100-100
  3. (3)−253-253
  4. (4)−20-20

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