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Dispersion of White Light through Prism

Why cannot th...

Question

Why cannot the white light be having Vibgyor in air? Why only when the light passes through two mediums?

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Solution

Because white light is made up of ALL visible wavelengths, its colors can be separated ( dispersed) by the difference in behavior.This Dispersion occurs when light is passed through a prism. The dispersion is caused due to the the difference in the angle of deviation for different colours.

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