Question

Which of the following is TRUE?

Options

• Lyman series is a continuous spectrum.

• Paschen series is a line spectrum in the infrared.

• Balmer series is a line spectrum in the ultraviolet.

• The spectral series formula can be derived from the Rutherford model of the hydrogen atom.

Answer 1

Paschen series is a line spectrum in the infrared.

Explanation:

The Paschen series belongs to the infrared spectrum. The Lyman and Balmer series, on the other hand, are in the ultraviolet and visible areas, respectively.