Question
Question: An electron in excited hydrogen atom falls from fifth energy level to second energy level. In which ...
An electron in excited hydrogen atom falls from fifth energy level to second energy level. In which of the following regions, the spectrum line will be observed and is part of which series of the atomic spectrum?
A
Visible, Balmer
B
Ultraviolet, Lyman
C
Infrared, Paschen
D
Infrared, Brackett
Answer
Visible, Balmer
Explanation
Solution
: For Balmer series,
n1=2,n2=3,4,5,....
The spectral lines are seen in visible region.