Question

Consider the diagram [Fig (5) at the right. (i)Which one of the angles (A, B, C, or D) is the angle of incidence? (ii) Which one of the angles is the angle of reflection? (iii) Where is normal ray?

pls help me​

Answer 1

Answer:

Angel of incidence always lie between the Incident ray and normal so angle B is the answer of the first question.

Similarly angle of reflection lies between the Reflected ray and normal so angle C is the second question.

The normal is the perpendicular line drawn on the surface on the exact mid straight line is the normal.

Answer 2

Answer:

1) The angle of incidence is angle B.

2) The angle of reflection is angle C.

3) The middle line is the normal ray.

Explanation:

The angle which is between the normal and the ray of light is called the angle of incidence.

So, angle B is the angle of incidence.

The angle which is between the reflected ray and the normal is known as the angle of reflection.

So, the angle of reflection is angle C

If we draw a line that is perpendicular to the reflecting surface at the point of incidence, this line is called the normal.

So, the middle line is the normal ray.

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