How are rainbows formed from sunlight and water?

In the sunny moments after a rain storm, colors fill the sky in an optical illusion involving the refraction and reflection of light. And that's how rainbows are formed.

Rainbow - 邦楽

How is a rainbow formed - Physics - Refraction of Light - 12987024

How is a rainbow formed?

What Causes a Rainbow? NOAA SciJinks – All About Weather

How do rainbows form?

Nature/Physics-How do rainbows form?

Science Focus: The rainbow — Steemit

Are specific conditions needed for Rainbow to occur? - Quora

When can we see a rainbow? How is it formed? - Quora

A Rainbow is an Optical Phenomenon

What Is a Rainbow?