Question
Physics Question on Atoms
Which of the following series in the spectrum of hydrogen atom lies in the visible region of the electromagnetic spectrum?
A
Paschen series
B
Balmer series
C
Lyman series
D
Brackett series
Answer
Balmer series
Explanation
Solution
Transition from higher states to n = 2 lead to emission of radiation with wavelengths 656.3 nm and 365.0 nm. These wavelengths fall in the visible region and constitute the Balmer series.