Question

what is the reason for the formation of rainbow
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Answer 1

Answer:

In simple language , A rainbow is caused by sunlight and atmospheric conditions. 

Answer 2

A rainbow is caused by sunlight and atmoshperic conditions. Light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, separating into its component wave lengths or colours. When light exist the droplet, it makes a rainbow.

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