1.

Which of the following statements regarding spectral series is correct?

Answer»

The lines in the BALMER series CORRESPOND to the electronic transition from higher energy level to n = 1 energy level.
Paschen series appears in the infra-red-region
The lines of Lyman series appear in the visible region
Transition from higher energy LEVELS to `4^(th)` energy level PRODUCES Pfund series which fall in the infrared region.

Solution :Balmer `n_1=2` , Lyman = UVregion ,Pfund `n_1=5`


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