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MHT CET2011PhysicsAtomic Physics

As per Bohr model, the minimum energy (in eV) required to remove and electron from the ground state of double ionized Li atom (Z=3) is

Options

  1. A1.51
  2. B13.6
  3. C40.8
  4. D122.4

Correct answer

D. 122.4

Step-by-step solution

array r E=-2² 13.6 eV aligned E &=-9 1.6 eV E &=-122.4 eV aligned array So, ionization energy is +122.4 eV

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