Define dispersion of light. what is a spectrum ?

1.	Define dispersion of light. what is a spectrum ?
Answer» ANSWER: ✒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»

✒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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Define dispersion of light. what is a spectrum ?​

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Define dispersion of light. what is a spectrum ?