Ramachandran , asked a question
Subject: Science , asked on 2/1/16

Explain the rainbow formation with the help of a diagram.(5mark)

Atif Syed , added an answer, on 2/1/16
353 helpful votes in Science
Hi,
Formation of Rainbow:- 
rainbow formation is the example for the atmospheric dispersion of light.
        When the sunlight undergoes dispersion by the tiny droplets of water present in the atmosphere a rainbow is formed.

            NECESSARY CONDITIONS FOR THE FORMATION OF RAINBOW. 
1]There should be tiny droplets of water in the atmosphere [drizzling of water]
2]Sun should be behind the observer,
        In fact , three different phenomenon takes places during the formation of rainbow .There are:-
1]Refraction 
2]Dispersion 
3] Total Internal Reflection 


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