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MHT CET202310 May 2023Evening ShiftPhysicsAtomic PhysicsActual

The ratio of the velocity of the electron in the first Bohr orbit to that in the second Bohr orbit of hydrogen atom is

Options

  1. A8: 1
  2. B2: 1
  3. C4: 1
  4. D1: 4

Correct answer

B. 2: 1

Step-by-step solution

Velocity of electron in the n ^ th orbit y _ n = Ze ^2 2 ₀ nh aligned & v _ n 1 n & given n ₁=1 , and n ₂=2, & v ₁ v ₂ = n ₂ n ₁ = 2 1 aligned

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