Question

how is rainbow formed​

Answer 1

Answer:

Rainbows are formed when sunlight is scattered from raindrops into the eyes of an observer. ... The lower the sun in the sky the more of an arc of a rainbow the viewer will see. Rain, fog or some other source of water droplets must be in front of the viewer.

Answer 2

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Rainbow is a multicoloured arc made due to the striking of light on water droplets. Rainbow is produced after the rain, by reflection, refraction and light dispersion process in droplets of water. All such events develop a light spectrum in the sky are called rainbow.