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Question

Which of the following is used for splitting sunlight into seven colours?

A
Plane mirror
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B
Prism
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C
Convex lens
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D
Concave mirror
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Solution

The correct option is B Prism

A glass prism is used to split white light into seven colors.
It has 2 triangular ends and 3 rectangular sides which help in splitting the white ray of light into a band of 7 colors, also known as spectrum.

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