why is the law of reflection important
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The most important thing about the law of reflectionis shown as a dashed line in the figure labeled the normal. The normal line is just a line drawn to the surface of the mirror that makes a 90 degree angle to the mirror. This line is used as a reference point for all of the angles in the law of reflection.
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Laws of reflection:-
1st law:-The incident ray, the reflected ray,and the normal at the point of incidence lie on the same plane.
2nd law:- The angle of incidence is equal to the angle of reflection.
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