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The energy of a hydrogen atom in the gro...

The energy of a hydrogen atom in the ground state is `-13.6 eV`. The eneergy of a `He^(+)` ion in the first excited state will be

A

`-13.6` eV

B

`-27.2` eV

C

`-54.5` eV

D

`-6.8` eV

Text Solution

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The correct Answer is:
A
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