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The electron in a hydrogen atom makes a ...

The electron in a hydrogen atom makes a transition from `n = n_(1) to n = n_(2)` state. The time period of the electron in the initial state `(n_(1))` is eight times that in the final state `(n_(2))`The possible values of `n_(1)` and `n_(2)` are

A

`n_1=8,n_2=1`

B

`n_1=6,n_2=2`

C

`n_1=4,n_2=2`

D

`n_1=8,n_2=2`.

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