Visible Spectrum

The visible spectrum can be seen by passing light through a glass prism.

Colours Remember them by

Red Richard

Orange Of

Yellow York

Green Gave

Blue Battle

Indigo In

Violet Vain

Here are average wave lengths for these colours:

Red 700nm

Orange 590nm

Yellow 570nm

Green 530nm

Blue 480nm

Indigo 470nm

Violet 430nm