Question

Define dispersion of light.
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Answer 1

Answer:

Dispersion of light.

Explanation:

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.

Answer 2

Answer :

• White light consists of many wavelengths. But in visible region there are 7 wavelengths (each wavelength corresponds to a colour). These 7 colours are "VIBGYOR" i.e Violet , indigo , blue , green , yellow , orange , red (These are written in increasing order of wavelengths ) .

• So, a proper definition will be -

        "  The phenomenon of splitting of white light into it's seven constituents i.e VIBGYOR when it is passed through a transparent medium (like prism ) is called dispersion of light "

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