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Question

What is meant by 'dispersion of light '? Name a natural phenomenon which is caused by the dispersion of sunlight in the sky.

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Solution

The splitting of light into its constituent colours due to the refraction of light is called dispersion of light. Rainbow is also formed due to the dispersion of light. The natural phenomenon of dispersion of sunlight in sky is rain bow formation, it involves when the whight light of a sun comes to earth and it encounter with many dust particle, the raindrops act as a prism and by internal reflection it split into its constituent colour and forms a rainbow on the opposite side of the sun rising.


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