Question

What is dispersion of light?​

Answer 1

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In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency. Media having this common property may be termed dispersive media. Sometimes the term chromatic dispersion is used for specificity.

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Answer 2

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→When the white light passes through some transparent material such as glass prism, it splits into its seven constituent colors. This phenomenon of splitting of white light is known as dispersion of light.