When sodium is excited in a flame, two ultraviolet spectral lines at (wave length symbol) = 372.1 nm and (wave length symbol) = 376.4 nm respectively are emitted. Which wavelength represents photons with

Question

Chemistry

Elyse Prince

10 December, 09:35

When sodium is excited in a flame, two ultraviolet spectral lines at (wave length symbol) = 372.1 nm and (wave length symbol) = 376.4 nm respectively are emitted. Which wavelength represents photons with

+1

Answers (1)

Know the Answer?

Jaelynn Bartlett · Answer 1

Sodium has emits yellow light in two wavelengths because of the Zeeman effect. It is due to the quantum spin of the electrons. It could either be the up spin or the down spin. The up spin is for the shorter wavelength (372,1 nm) and the down spin is for the longer wavelength (376.4 nm).