This is an assortment of prisms. When light enters at an angle to the face of a prism, it is refracted. Since the index of refraction depends on the wavelength, the light is refracted at different angles and therefore it is dispersed into a spectrum of colors.
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Physics and Science Concepts
Shine a focused beam of light at one of the facets of the prism. Light is refracted and split into its constituent wavelengths (i.e. Colors of the rainbow). These can be used with various other optical experiments.
Edges and corners may be sharp