Question

Give reason :: It is possible to enjoy a rainbow at fountains in any season..

Answer 1

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In a fountain when water falls from a very high point, it strikes the rocks below whereby a lot of  spherical water droplets are suspended into the air. These water droplets suspended in air when is subjected to light, it acts as small spherical prisms which disperse light into its spectrum and sending colors out in a different angles. As because a lot of water droplets hangs in the air, an observer looks a rainbow consisting of seven colors. 

Answer 2

1. Near the fountain the water keeps

continuously splashing on the rocks

2. As a result many water droplets

are scattered in the air.

3.These water droplets act as tiny

prisms.

4.Sunlight passes through these

droplets and the processes of

refraction, dispersion, total internal

reflection take place, forming a

rainbow.

5.As water keeps splashing on the

rocks continuously in any season,

a rainbow can be seen.