Question

What is the point of incidence?​

Answer 1

Answer:

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.

Answer 2

Point is incidence can be defined as the point on a reflecting surface where the incidence ray falls