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Sananth was standing outside in the even...

Sananth was standing outside in the evening, enjoying the light drizzle after the rain. Suddenly he observed a rainbow in the sky. He called his father and asked him, what it is and how is it formed? His father explained him about its formation and also told him that similar phenomena can be observed with prism also.
What is the name of the phenomena ? Which colour deviates more and why ?

Text Solution

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The phenomenon is called dispersion. The process by which a ray of light splits up into seven colours is known as dispersion of light. The band of the coloured light is called spectrum the red light bends the least and violet the most.
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