Question

trace the path of reflected ray in the following ray diagram

Answer 1

Remember that angle of incident ray is always equal to the reflected ray

Answer 2

The path of the reflected rays are as follows -

• In the first case,the mirror is a plane mirror and that's why the laws of regular reflection will be applicable. Here,the angle of incidence is 90°,so the angle of reflection will be also 90°. Which means,the incident ray and the reflected ray are collinear,as shown in the diagram (a) below.

• In the second case,the mirror is a plane mirror and that's why the laws of regular reflection will be applicable here also.  Here,the angle of incidence is 30°,so the angle of reflection will be 30° too. And,the reflected light ray will make 30° angle with the mirror surface,as shown in the diagram (b) below.