Question

In this lab you will use a spectrometer to measure the wavelengths of

several visible lines emitted from hydrogen gas, a.k.a. the Balmer series.

Sketch and label an energy level diagram for hydrogen, and draw the

transitions corresponding to the first four lines in the Balmer series (nf = 2).

For the first four lines, indicate which is toward the red end of the spectrum

and which is toward the purple end.

Step 1

Energy level diagram showing the first four lines of Balmer series is,

Step 2

Wavelength is given by,

Step 3

Red end corresponds to the transition *n* = 3 to *n* =...

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