is the change in direction of a wave at a boundary. When light is refracted as it enters a prism, each colour is refracted by a different amount. Because each colour has a different wavelength ...

Browsing the catalog of your favorite optics supplier you will find a large variety of prisms used to reflect, invert, rotate, disperse, steer, and collimate light. It is important to point out ...

Name the process happening to the ray at the point X. There is no light emerging from the prism at Y. Name the process happening to the light at Y. How does the speed of light change, if at all ...