Question

A ray of sunlight moves from the air into the denser medium of a pond. The light ray will? A) Be reflectedB) not be affected C) speed up D) slow down

Answer 1

When a ray of light passes from the rarer medium to the denser medium, it bends towards the normal.

When the ray of sunlight moves from the air into the denser medium of a pound, the light ray will slow down as it passes rarer to denser medium. It bends towards the normal.

Thus, the correct option is (D).