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Question

The splitting of white light into seven colours is known as

A
reflection
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B
refraction
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C
interference
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D
dispersion
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Solution

The correct option is D dispersion
A ray of white light splits or is dispersed, into different colours when it passes through a lens or prism. This phenomenon is known as a dispersion of light. Example: A rainbow is produced by the dispersion of white sunlight by raindrops.

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