Question

The angle between plane mirror and incident ray is 80 degree.Find the angle of incidence​

Answer 1

Answer:

angle of incidence = 90° - 80°

= 10°

Explanation:

hope it helps you

Answer 2

Answer:

What is the angle of incidence of a ray, if reflected at an angle of 80 degrees to the incident ray? Now, according to the law of reflection , the angle of reflection is equal to the angle of incidence . Therefore, the angle of incident is 40 degree.

Hope it helps you....