An electron in the n = 1 orbit of hydrog...

An electron in the `n = 1` orbit of hydrogen atom is bound by `13.6 eV`energy is required to ionize it is

`13.6 eV`

`6.53 eV`

`5.4 eV`

`1.51 eV`

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The correct Answer is:

Ionization energy = Binding energy.

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