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In a certain electronic transition in th...

In a certain electronic transition in the Hydrogen atom from an initial state i to a final state the difference in the orbit radius `( r_i-r_f)` is seven times the first Bohr radius. Identify the transition

A

`4 to 1`

B

`4 to 2`

C

`4 to 3`

D

`3 to1`

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