Question

find the angle of reflection if a light ray makes an angle of 45° to the normal.

Answer 1

angle of incidence is always equal to angle of reflection ..

Answer 2

Hello!!.
>>Here is your required answer..

> according to the law of reflection we know that :-
- angle of reflection = angle of incidence........(1)

>Now, according to your question..

- Angle of reflection = 45°
Now from (1).,
- Angle of incidence = 45°

>>>>>>hope it helps you<<<<<<<