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Write about dispersion of light.... |
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Answer» cess of splitting of white light into seven colours is CALLED dispersion of light.For example :Rainbow during a cloudy dayCause of dispersion of light: When light PASSES through a prism, the different frequencies of light travel at different velocities. Because of refraction, the different velocities make the angles of refraction different, causing the light to travel in slightly different directions.In an OPTICAL medium, such as fiber, there are three types of dispersion, chromatic, modal, and MATERIAL. |
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