The ionisation potential Of The Hydrogen Atom Is 13.6 eV. Its Energy In n = 2 Energy State Is

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Question

The ionisation potential of the hydrogen atom is 13.6 eV. Its energy in n = 2 energy state is

Solution

Correct option is

–3.4 eV

Ionization potential = energy of the electron in the first orbit of the atom = 13.6 eV.   

Its value in the second orbit is

        .

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