Physics-light Flashcards
1
Q
Density
A
The amount of molecules in a certain area
2
Q
Transverse wave
A
This means it cause waves to travel at a right angle
3
Q
What are the three classes of material?
A
Transparent, translucent and opaque
4
Q
Transparent
A
Light can go through completely and you can see through on the other side.
5
Q
Translucent
A
Some light can go through, but most of it is reflected.
6
Q
Opaque
A
Can’t see through at all. Everything is reflected or absorbed.
7
Q
Total internal reflection can only occur
A
When the angle between the normal and the incidence
