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

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