Question

5. What happens when ray of light falls normally on the reflecting surface?​

Answer 1

Answer:

When a ray of light falls normally on the surface of a medium, then, no bending of light ray occurs. It means the light ray goes straight from one medium to another.

Answer 2

As ray of light falls normally on mirror this means that angle of incidence is 0o. From second law of reflection we know that angle of incidence is equal to angle of reflection. So angle of reflection will also be zero. Therefore the light ray will be reflected back along the same path.