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Why does rainbows have many colors?

Updated: 8/20/2019
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12y ago

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Rainbow is made from refraction & total internal reflection of light of the sun. The light of sun is white, which is combination of 7 colours. When rainbow occoures, white light is divide into all these colours. That's why rainbows have many colours.

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12y ago
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Q: Why does rainbows have many colors?
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