Balmer Series of Hydrogen

The Balmer discharge lamp emits light produced by the excitation of hydrogen atoms. Using a spectrometer, we can observe the spectrum primarily in the visible region and compare it with the prediction of the Rydberg formula.

Power supply and Balmer discharge lamp.

Balmer discharge lamp from the side.

Detail of the Balmer discharge lamp.

Measurement of the spectrum emitted by hydrogen atoms in the Balmer lamp.

Spectrum of hydrogen atoms in the visible light (and near-ultraviolet and infrared) range.