Refraction + Waves Crossing Boundaries Flashcards
1
Q
Refraction
A
When a wave changes its direction due to hitting a boundary
2
Q
If a wave speeds up then it moves…
A
away from the normal
3
Q
If a wave slows down then it moves…
A
towards the normal
4
Q
What does it mean when a wave has been reflected?
A
It has bounced off back to where it came from
5
Q
What does it mean when a wave has been refracted?
A
It passes through the new material but changes the direction through which it’s moving
6
Q
What does it mean when a wave has been absorbed?
A
It has been taken in by the new material and its energy has been transferred to that new material
7
Q
What does it mean when a wave has been transmitted?
A
It has gone through the new material without being absorbed or reflected and keeps on travelling
