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Question
What is meant by dispersion of white light ? Describe the formation of rainbow in the sky with the help of a diagram.
What is meant by dispersion of white light ? Describe the formation of rainbow in the sky with the help of a diagram.
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Solution
The splitting up white light into seven colours on passing through a tranparent medium like a glass prims is called disersion of light
Formation of Rainbow:
The raindrops act lke small prisms. When sunlight enters and leaves these raindrops, various coloured rays in white light are refracted by different amounts due to which an arc of seven colors called rainbow is formed.
The splitting up white light into seven colours on passing through a tranparent medium like a glass prims is called disersion of light
Formation of Rainbow:
The raindrops act lke small prisms. When sunlight enters and leaves these raindrops, various coloured rays in white light are refracted by different amounts due to which an arc of seven colors called rainbow is formed.
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