Q: Which one of the following statements is correct regarding the travel of a light beam from a rare to a dense medium?
(a)A light beam travelling from a rare medium to a dense medium slows down and bends towards the normal.
(b)A light beam travelling from a rare medium to a dense medium speeds up and bends towards the normal.
(c)A light beam travelling from a rare medium to a dense medium slows down and bends away from the normal.
(d)A light beam travelling from a rare medium to a dense medium speeds up and bends away from the normal.
Correct Answer: (a)