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NEET2008PhysicsAtomic PhysicsActual

The ground state energy of hydrogen atom is -13.6 eV . When its electron is in the first excited state, its excitation energy is

Options

  1. A0
  2. B3.4 eV
  3. C6.8 eV
  4. D10.2 eV

Correct answer

D. 10.2 eV

Step-by-step solution

Excitation energy = E _ f - E _ i =-3.4-(-13.6)=10.2 eV

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