Question

If the angle of an incident ray and reflected ray is 80 degree, then what is the angle of reflection?

Answer 1

Answer:

<i +<r + 80° =180°

<i +<r = 180-80=100°

<i +<r = 100° , also <i = <r ,incident Angle = reflected angle.

Hence,

2<i =100°

<i =50°

Explanation: