White light separates into all the colors of the visible spectrum when it is passed through a prism.
A prism is an optical device made from transparent material, typically glass, that refracts light and separates it into its constituent wavelengths. This separation of light into its component colors is called dispersion. White light is composed of all the colors of the visible spectrum and when it is passed through a prism, the prism refracts the light and splits it into its individual colors.
When white light passes through a prism, the light is bent, or refracted, at different angles depending on its wavelength. The different wavelengths of light correspond to different colors in the visible spectrum, so when the white light is refracted, it separates into various colors.
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