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AP EAMCET202420 May 2024Evening ShiftPhysicsAtomic PhysicsActual

The speed of the electron is a hydrogen atom in the n=3 level is ( . Plank constant .=6.6 10⁻³⁴ JS )

Options

  1. A6.2 10^5 ~ms ⁻¹
  2. B3.7 10^5 ~ms ⁻¹
  3. C7.3 10^5 ~ms ⁻¹
  4. D1.6 10^5 ~ms ⁻¹

Correct answer

C. 7.3 10^5 ~ms ⁻¹

Step-by-step solution

In hydrogen atom, n =3 V ₃=2.18 10^6 1 3 =7.3 10^5 ~ms ⁻¹

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