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Hydrogen atom excites energy level from ...

Hydrogen atom excites energy level from fundamental state to `n = 3`. Number of spectrum lines according to Bohr, is

A

`4`

B

`3`

C

`1`

D

`2`

Text Solution

Verified by Experts

The correct Answer is:
B
No. of lines `N_(E) = (n(n - 1))/(2) = (3(3 - 1))/(2) = 3`
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