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Question: Hydrogen atom excites energy level from fundamental state to n = 3. Number of spectrum lines accordi...

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

Answer

3

Explanation

Solution

No. of lines

NE=n(n−1)2=3(3−1)2=3N_{E} = \frac{n(n - 1)}{2} = \frac{3(3 - 1)}{2} = 3