Question

what is dispersion of white light? what is the cause of such dispersion?

Draw a diagram to show the dispersion of white light by a glass prism? ​

Answer 1

Answer:

The refraction of light is the reason why a prism disperses white light forming a spectrum. Refraction occurs because light travels more slowly in a dense medium, such as glass, than it does in air.

Answer 2

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✍️ Dispersion of White Light

Dispersion of light is the splitting of white light into its constituent colors due to the refractive index of the surface and the wavelength of the light.

If the light entering the prism is not of a single colour then the emergent beam also has different colours arranged in a definite order.

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✍️ Cause of Dispersion

The cause of dispersion is that different colours of white light having different wavelengths deviate through different angles on passing through a glass prism. That is why they split on coming out from the prism along different directions.

✍️ Diagram of Dispersion

Please check out the above provided attachment...

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