Question

what is rainbow
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Answer 1

Answer:

a rainbow is caused by reflection of light and water drops

Answer 2

Answer:

A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.