Question

what are the value of 1 . angle of incidence 2 . angle of reflection for normal incidence on a mirror surface ?​

Answer 1

Answer:

For normal incidence, the incident ray is along the normal itself. So the angle of incidence is 0. From the laws of reflection, the angle of incidence is equal to the angle of reflection. So, the angle of reflection is also 0.

Answer 2

Answer:

For normal incidence, the incident ray is along the normal itself. So the angle of incidence is 0. From the laws of reflection, the angle of incidence is equal to the angle of reflection. So, the angle of reflection is also 0.