Explain the formation of rainbow
Answers
Answer:
A rainbow occurs when light hits the water drops in the atmosphere at a certain angle. It is an atmospheric phenomenon that is formed through optical processes such as refraction, dispersion, internal reflection and secondary refraction. If the light source is the sun, then the rainbow will be colorful and bright.
Explanation:
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Answer:
A rainbow is a natural spectrum of sunlight in the form of bows appearing in the sky when the sun shines on rain drops.
It is combined result of reflection, refraction and dispersion of sunlight from water droplets, in atmosphere.
Always it formed in the direction opposite to the sun.
To see a rainbow, the sun must behind us and the water droplets falls infront of us.
When a sunlight enters into a spherical rain¬drop, it is refracted and dispersed. The different colours of light bent in different angles.
When different colours of light fall on the back inner surface of drop, it (water drop) reflects (different colours of light) internally (total internal reflection).
The water drops again refracts the different colours, when it comes out from the raindrop.
After leaving this different colours from the raindrop as rainbow, reach our eye. Thus, we see a rainbow
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