Question

what is ment by point of incidence​

Answer 1

Answer:

Point of incidence: The point on the surface where the incident ray strikes the surface is called the point of incidence. ... Normal at point of incidence: A line drawn perpendicular on the surface (i.e. making 90° angle with the surface) of an object at the point of incidence is called a normal point of incidence.

Explanation:

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Answer 2

Answer:

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

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