![]() ![]() The bending is essentially due to the difference in speed as the beam travels from one medium to another and that the width of the beam is finite. Sometimes light reflects off a smooth surface, like a mirror or a still lake. Light reflecting off two surfaces (2019 Let’s Talk Science). The symbol means angle'' and arrows represent rays of light. The angle of incidence is equal to the angle of reflection. However, it is observed that when the incident light is directed an angle to the normal, the ray bends. The perpendicular line we call the normal. The angle of reflection (r) is the angle between the reflected ray and the normal. Upon entry into the surface, lateral scattering becomes insignificant and thus forward transmission predominates. At the point of incidence, the normal to the reflecting surface, the.
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