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No. of visible lines when an electron returns from `5^(th)` orbit up to ground state in `H`spectrum :
A. 5
B. 4
C. 3
D. 10

1 Answer

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Best answer
Correct Answer - C
( c) Visible lines `rArr` Balmer series `(5 rarr 2,4 rarr 2,3 rarr 2)`. So `3` lines.

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