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If the binding energy of 2nd excited sta...

If the binding energy of 2nd excited state of a hypothetical H-like atom is 12 eV, then the Correct option is/are :

A

I excitation potential =81 V

B

II excitation potential =96 eV

C

Ionisation potential =192 V

D

Binding energy of `2^"nd"` state =27 eV

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