Light Flashcards
1
Q
When a ray of light enters a glass block the angle it enters at compared to the normal is the angle of _____
A
Incidence
2
Q
When a ray of light exits a glass block the angle it exits at compared to the normal is the angle of _____
A
Refraction
3
Q
What do convex lenses do.
A
They focus light to a single point
4
Q
What do concave lenses do.
A
It spreads out light
5
Q
What is the frequency unit for measurement of frequency.
A
Hertz
6
Q
What is the opposite of a compression in a longitudinal wave.
A
A rarefaction
7
Q
What is the name of the part of the eye that catches the light.
A
The retina
8
Q
What’s the name of the nerve that transmits the stuff the eye sees.
A
The optic nerve
