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 ...

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.

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 ...