Waves: Refraction Flashcards
1
Q
What happens when light passes from air into glass? What does this result in?
A
Its velocity decreases meaning its direction changes.
2
Q
When waves slow down, which way do they bend in terms of the normal line?
A
They bend towards the normal line.
3
Q
What happens when light exits a glass block and enters air?
A
Its velocity increases so it bends away from the normal.
4
Q
What happens if the waves enter or leave the medium at 90° to the surface (in other words, along the normal)?
A
Their direction does not change.
5
Q
What will happen when an EM wave, like light, enters a denser medium?
A
It slows down.
