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If the binding energy of the electron in...

If the binding energy of the electron in a hydrogen atom is `13.6 eV` the energy required to remove the electron from the
first excited state of `Li ^(++)` is

A

`122.4` eV

B

30.6 eV

C

13.6 eV

D

3.4 eV

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The correct Answer is:
B
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