Refraction Flashcards
1
Q
Waves and materials of different densities
A
When light passes from air to glass the velocity of light slows down because glass is denser than air
This causes the direction of waves to change
2
Q
What’s is refraction
A
When a wave changes speed as it passes from one medium to another
3
Q
What happens when a wave speeds up
A
They change direction away from the normal
