Physics for IGCSE & O level - Rays And Waves (Section 2 - No. 8)
What happens to light as it travels from a less dense medium to a more dense medium?
It speeds up and bends away from the normal
It slows down and bends towards the normal
It slows down and bends away from the normal
It speeds up and bends towards the normal
Explication
Light slows down and bends toward the normal when moving into a denser medium.