Image

Prism

Prism showing 7 colours of the spectrum that make up white light

When white light shines through a prism, each colour refracts at a slightly different angle. Violet light refracts slightly more than red light. A prism can be used to show the seven colours of the spectrum that make up white light.

Rights: Lawrence Lawry/Science Photo Library
Published:14 March 2012Size: 24.63 KB