Question

what is point of incidence and normanl ray
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Answer 1

Explanation:

The ray of light that hits the polished surface is called the incident ray. The ray that gets reflected away is called the reflected ray. The point at which the light hits the surface is called the point of incidence. If a line is drawn perpendicular to that point, it is called the normal

Answer 2

Answer:

Point of incident is The point on the surface where the incident ray strikes the surface is called the point of incidence.

Normal Ray is When a line is drawn perpendicular to the reflecting surface at the point of incidence,The normal ray is incident at 90 degrees to the reflecting surface.