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AP EAMCET202418 May 2024Morning ShiftPhysicsAtomic PhysicsActual

If the bonding energy of the electron in a hydrogen atom is 13.6 eV , then energy required to remove electron from first excited state of Li ²⁺ is

Options

  1. A122.4 eV
  2. B3.4 eV
  3. C13.6 eV
  4. D30.6 eV

Correct answer

D. 30.6 eV

Step-by-step solution

B . E=13.6 eV =-E₁ E₁=-13.6 eV For Li ²⁺, z =3, n ₁=2, n ₂= E = E _ - E ₂=0- (-13.6 Z ^2 ~n ₁^2 )=13.6 (3)^2 (2)^2 =30.6 eV

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