Question

What happens to the ray of light when it travels from water to glass ? It bends towards the normal. It bends away from the normal. It passes undeviated. None of the above

Answer 1

What happens is that light slows down when it passes from the less dense air into the denser glass or water. This slowing down of the ray of light also causes the ray of light to change direction. It is the change in the speed of the light that causes refraction.

Answer 2

it bends towards the normal

hope it helps