Light And Lasers Flashcards
0
Q
What happens if the angle of incidence is above the critical angle?
A
The light is totally internally reflected
1
Q
What happens to the light is the angle of incidence is below the critical angle?
A
The light is refracted away from the normal
2
Q
What happens if the angle of incidence is = to the critical angle?
A
The light travels along the glass air boundary
3
Q
What produces light for communication?
A
Lasers
