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For H-atoms , the energy required for th...

For H-atoms , the energy required for the removal of electron from various sub-shells is given as under :

The order of the energies would be :

A

`E _(1)gt E_(2)gt E_(3)`

B

`E _(3) gt E _(2) gt E_(1)`

C

`E _(1) =E_(2) = E_(3)`

D

None of these

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The correct Answer is:
C
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