Question

ᴡʜᴀᴛ ɪs ʀᴀɪɴʙᴏᴡ?????​

Answer 1

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Rainbow is a optical illusion formed due to sunlight reflecting from water droplet. It can be primary or secondary.

Answer 2

Answer:

Rainbow is an arch of colours visible in the sky, caused by the refraction and dispersion of the sun's light by rain or other water droplets in the atmosphere