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elessar_iitkgp (2264)

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Olaaa!! Perrrfect answer. 388  [550 rates]

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If you want to understand HOW this occurs, Huygens construction (given in every standard textbook) will prove useful.
Light is an electromagnetic wave comprising of electric and magnetic components. We usually study light using the electric component. In higher physics, reflection & refraction can be explained in terms of this electric vector. But don't try to break ur head trying to understand this. Read up Huygen's construction. That should be fairly good explaination



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