Fewpal
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What is meant by dispersion of white light? Draw a ray diagram to show the dispersion of white light by a glass prism. Give reason why do we get different colours of light?

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Dispersion of light: The splitting of white light into seven colours on passing through a transparent medium like glass prism is called dispersion of light. 

Diagram : Dispersion of light

We get different colours because each colour of light has different bending ability when they pass through the glass prism.

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