Question

On what does the color of light depend?

Answer 1

If light is traveling through a medium (i.e. air), the color of light depends on the wavelength.

The following are wavelength intervals of colors on the visible light spectrum. Measured in nanometers (nm).

Red: 700–635 nm

Orange: 635–590 nm

Yellow: 590–560 nm

Green: 560–520 nm

Blue: 490–450 nm

Violet: 450–400 nm