In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. A prism can be used to break light up into its constituent spectral colors. Prisms can also be used to reflect light, or to split light into components with different polarizations.
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Answer:
Prism
Explanation:
In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. A prism can be used to break light up into its constituent spectral colors. Prisms can also be used to reflect light, or to split light into components with different polarizations.