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