The important property of prisms in this article is their ability to redirect light through refraction and reflection. A collection of deck lights used to direct sunlight below deck in ships.

Light of higher frequency has a greater refractive index than lower frequency light. This explains why a prism can disperse white light into different colours. The change in refraction is quite ...

Refraction close refractionProcess by which ... When light is refracted as it enters a prism, each colour is refracted by a different amount. Because each colour has a different wavelength ...