Question

heya!!!!!

1)what is Dispersion of white light? state its cause .
2)"Rainbow is an example of dispersion of Sunlight". justify the statement by explaining with the help of labelled diagram the formation of rainbow in the sky. list two essential conditions for observing a rainbow

Answer 1

Hey mate here is ur answer.
1.) Dispersion occurs because the refraction of different colours is different . This difference in the extent of bending of different colours of light causes dispersion of white light into its Constituent colours as they emerge out of prism.
2.) A rainbow is a natural spectrum appearing in the sky. It is caused by dispersion of sunlight ☀ by tiny droplets present in the atmosphere after a rainfall. The tiny droplets produce dispersion in the incident sunlight and then total internal reflection. Due to these phenomenon different colours reach the observer at different angles and a rainbow is formed.
sorry I can not draw the diagram. And I hope this answer is help you.

Answer 2

Answer:

For answer see the 3 attachments ...

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