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What is a Rainbow? What Are the Two Conditions Necessary for the Formation of a Rainbow in the Sky? - CBSE Class 10 - Science

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Question

What is a rainbow? What are the two conditions necessary for the formation of a rainbow in the sky?

Solution

 A rainbow is a natural spectrum of seven colours formed in the sky when the water droplets in the atmosphere cause the dispersion of sunlight. The two conditions necessary for the formation of a rainbow are as follows.
1. The sun should be shining.
2. It should be raining.

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Solution What is a Rainbow? What Are the Two Conditions Necessary for the Formation of a Rainbow in the Sky? Concept: Dispersion by a Prism.
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