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Total energy of an electron in the groun...

Total energy of an electron in the ground state of hydrogen atom is – 136 eV. Its total energy, when hydrogen atom is in the first excited state, is :

A

`+13.6 eV`

B

`+ 3.4 eV`

C

`- 3.4 eV`

D

`-54.4 eV`

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