Question

State two laws of reflection. Draw a labelled diagram to support the answer

Answer 1

Answer:

Laws of reflection are: (i) The incident ray, the reflected ray and the normal ray at the point of incidence, lie in the same plane. (ii) The angle of incidence is equal to the angle of reflection.

Explanation:

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Answer 2

Answer:

First, we consider reflection, as shown in the diagram below for a light wave striking a surface. We identify the incoming ray as the incident ray and the outgoing ray as the reflected ray. Concomitantly, the angleθi  that the incoming ray makes with a line (dashed in the diagram) normal to the surface is called the angle of incidence. The angle θr  for the reflected ray is called the angle of reflect.

 The law of reflection states that the angle of incidence is equal to the angle of reflection, or, stated mathematically.

And also the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane.

Explanation:

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