Question

A light ray strikes a reflective plane surface at an angle of 42° with the surface. Draw it.
a) Find the angle of incidence.
b) Find the angle of reflection.
c) Find the angle made by the reflecte
ray and the surface.
d) Find the angle made by the incide
and reflected ray.​

Answer 1

The answer is in picture

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Answer 2

Answer:

a. (2) = 42.

b. (r) = 42.

c. (rg) = 48.

d. 2+r = 42+42

= 84.