Question

rainbow formation with diagram​

Answer 1

Explanation:

The formation of a rainbow involves a series of physical phenomena - reflection, refraction, dispersion and total internal reflection. The occurence of each of these is due to the interaction of light with air and water and the boundaries between them. Enlarged view of diagram.

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Answer 2

${\bold{\blue{\underline{\red{A}\pink{ns}\green{we}\purple{r:-}}}}}$

✝ Formation of Rainbow :-

➝ Here we discuss about formation of rainbow,the rain drops in the atmosphere act like many small prism as white sunlight entres and leaves this raindrops or water drops,the various coloured rays present in white light that are reflected by different amounts due to an arch of seven colours then,we can say rainbow is formed in the sky.

The formation of rainbow can be explained with the help of diagram (as shown in the attachment).

➝ A ray of white sunlight such as (AB) from the diagram that entres the raindrops at point (B) and undergoes refraction and dispersion to form a spectrum.This spectrum undergoes total internal reflection at point (C) within the raindrops and finally reflected out of the raindrops at point (D).This spectrum produced by raindrops in the atmosphere is seen from the earth.The red colour of spectrum appears at the top of the rainbow whereas violet colour appears at its bottom.

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✝ Related to rainbow :-

➝ The rainbow is an arch of seven colours visible in the sky which is produced by the dispersion of sun's light by raindrops in the atmosphere.

➝ A rainbow is produced by the dispersion of white sunlight by raindrops or water drops in the atmosphere.