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The electron in a hydrogen atom has been...

The electron in a hydrogen atom has been excited to the n -th state. What is the maximum number of spectral lines that may be emitted by the atom when the electron transits to the ground state ?

A

`1/6 n(n-1)(n-2)`

B

n

C

n(n-1)

D

`1/2n(n-1)`

Text Solution

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The correct Answer is:
D
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