What is the law of refraction?
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What is the law of refraction?
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Law of refraction :-
1. THE INCIDENT RAY ,REFRACTED RAY AND THE NORMAL ALL LIE IN THE SAME PLANE.
2.(A RAY OF LIGHT TRAVELLING FROM A REARER MEDIUM TO A DENSER MEDIUM BEND TOWARD THE NORMAL•) (A RAY GOING FROM A DENSER MEDIUM TO A RARER MEDIUM BEND AWAY FROM THE NORMAL•)
3. THE RATIO OF SIN i TO SIN r IS A CONSTANT AND THIS CONSTANT I'D CALLED REFRACTIVE INDEX OF THE SECOND MEDIUM, WITH RESPECT TO THE FIRST MEDIUM.
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