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The total energy of an electron in the f...

The total energy of an electron in the first excited state of the hydrogen atom is about -3.4 eV.
What is the potential energy of the electron in this state ?

A

`-6.8 eV`

B

`-8.6 eV`

C

`6.8 eV`

D

`8.6 eV`

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The correct Answer is:
A
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