A thin beam of white light from an overhead projector goes into a prism, dispersing the colours into a rainbow. Turn on the projector. Hold the prism by the parallel flat faces, with one of the points ...

Dispersion is a familiar phenomenon—such as in rainbows or Isaac Newton's famous prism experiment. In conventional dispersion, white light is split into spectral colors by passing through a ...

This means that the light leaving the prism is spread out into its different colours, a process called dispersion. This experiment is recorded as first being carried out by Isaac Newton ...