State & explain law of reflection.
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Answer:
The law of reflection states that the angle of reflection equals the angle of incidence—θr = θi. The angles are measured relative to the perpendicular to the surface at the point where the ray strikes the surface.
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Laws of Reflection:-
- The angle of reflection is always equal to angle of incidence.
- The incidence ray, the reflected ray and the normal all lie in the same plane.
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