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Puneeth423
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When white light passes through a rectangular prism, will dispersion occur? Will emerging light ray comes out as a single white light ray or as seven different colors?
Dispersion by a rectangular prism is a phenomenon where white light is split into its component colors as it passes through a prism. This occurs because each color of light has a different wavelength, causing them to refract at different angles when passing through a prism.
A rectangular prism causes dispersion by refracting or bending light at different angles based on the wavelength of each color. The longer wavelengths, such as red light, are refracted less than the shorter wavelengths, such as blue light, resulting in the separation of colors.
The angle of incidence, or the angle at which light enters the prism, affects the amount of dispersion. A higher angle of incidence will result in a greater amount of dispersion, while a lower angle will produce less dispersion.
Yes, dispersion by a rectangular prism can be reversed by passing the dispersed light through a second identical prism placed in the opposite direction. This will cause the colors to recombine into white light.
Dispersion by a rectangular prism is used in devices such as prismatic binoculars and spectrometers. It is also utilized in optical systems to correct for chromatic aberration and in the creation of rainbows and other optical illusions.