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Question: No. of visible lines when an electron returns from 5th orbit upto ground state in H spectrum :...

No. of visible lines when an electron returns from 5th orbit upto ground state in H spectrum :

A

5

B

4

C

3

D

10

Answer

3

Explanation

Solution

Visible lines ⇒\Rightarrow Balmer series (5→2, 4 →2, 3→2)(5 \rightarrow \text{2, 4 } \rightarrow \text{2, 3} \rightarrow 2). So, 3 lines.