Question

state the phenomenon involved in the formation of a rainbow in the sky.Arrange these phenomenon in proper sequence.

Answer 1

$Here \: is \: the \: answer \: of \: your \: question$
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`$\textbf{Formation of Rainbow}$`


* Water/Rain drop act as a prism. When a sun light entre the rain drop, it undergoes refraction and then it undergo total internal reflection. After it; it changes it's medium and leads to refraction.

* When these rays reached the eyes of the observer then he/she able to see the rainbow.

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`$\textbf{Phenomena involved are}$`


1) Refraction.

2) Dispersion.

3) Internal reflection.

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`$\textbf{Conditions to see Rainbow}$`


→ Sun must be behind the observer.

→ Recent rain.

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`$\textbf{Diagram is in Attachment!!}$`


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Answer 2

Answer:

* Water/Rain drop act as a prism. When a sun light entre the rain drop, it undergoes refraction and then it undergo total internal reflection. After it; it changes it's medium and leads to refraction.

* When these rays reached the eyes of the observer then he/she able to see the rainbow....