Question

Why do we see a rainbow ?

Answer 1

Answer:

Rainbow is seen when white sunlight passes through water vapor present in air,, it splits into 7 colors.This is called rainbow. It is generally seen after rain.

Explanation:

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Answer 2

• The sun and the weather combine to create a rainbow. As it passes from air to denser water, light enters a water droplet, slowing and bending. The light bounces off the interior of the droplet, separating the wavelengths—or colors—that make up the droplet. A rainbow is created as light escapes the droplet.

• If you had no understanding what a rainbow is or how it is made, you could accept some of the tales that many ancient societies have constructed to explain it. Rainbows are one of nature's most magnificent displays.
• A rainbow isn't truly a "thing," and it doesn't have a certain "location." It's an optical illusion that happens when the sun and the weather are exactly perfect—and the viewer's position is just correct.