Question

what is point of incidence ​

Answer 1

Point of Incidence will be the point at which the ray of incidence falls on the mirror. Now let us look at the parameter called as normal. The normal is a line which is at right angle to the mirror surface. This line is usually drawn at the point of incidence.

Answer 2

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°°° Solution °°°

• In geometric optics, the angle of incidence is the angle between a ray incident on a surface and the line perpendicular to the surface at the point of incidence, called the normal. The ray can be formed by any wave: optical, acoustic, microwave, X-ray and so on.