what is rainbow ?? ??:?? ??:??
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Answer:
A rainbow is a multicoloured arc that can be seen when the Sun shines through falling rain.
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Explanation:
A rainbow is a multicolored arc made by light striking water droplets. The most familiar type rainbow is produced when sunlight strikes raindrops in front of a viewer at a precise angle (42 degrees). Rainbows can also be viewed around fog, sea spray or waterfalls. Light entering a water droplet is refracted.
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