The wavelength of the visible line in the hydrogen spectrum that corresponds to m = 5 in the Balmer equation is
A)656 nm
B)486 nm
C)434 nm
D)410 nm
E)None of these is correct.

Question

Quizplus · Accepted Answer

The Balmer series corresponds to transitions where the final energy level is n=2. For m=5, the transition is from n=5 to n=2, which corresponds to a wavelength of approximately 434 nm.

The Wavelength of the Visible Line in the Hydrogen Spectrum