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The ground state energy in J, of hydroge...

The ground state energy in J, of hydrogen atom is `-X`. The minimum energy in J, required to promote an electron from n=1 to n=2 in `He^(+)` is 

A

`3X`

B

`(4X)/(3)`

C

`(3X)/(4)`

D

`(X)/(3)`

Text Solution

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The correct Answer is:
A
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