Question

white light is made to fall on one face of a glass prism. draw a ray diagram to show the nature of the emergent beam.

Answer 1

‘Dispersion of Light’ is the splitting of white light when it passes through a glass prism into its constituent spectrum of colors (i.e. violet, indigo, blue, green, yellow, orange and red). Dispersion literally means ‘distribution’ and that is what we can see in the picture below. At various frequencies and various angles the white light splits into its constituent colors.

Answer 2

This phenomenon is called dispersion of light

the white light will emerge into seven color beam red orange yellow green blue violet etc

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