Misc. Flashcards
1
Q
How many degrees are in a (sin) wave?
A
360
2
Q
What direction do negative charges move relative to electric field lines?
A
Opposite
3
Q
Electric field lines move from _____ to ______ potential.
A
Positive to negative
4
Q
What determines the focal length of a mirror?
A
The radius of curvature
5
Q
Why does light travel more slowly in an optically dense medium as compared to a vacuum?
A
It is absorbed and re-emitted by the atomic structure of the medium.
6
Q
When a wave of light moves to a medium with a higher index of refraction, where will the beam bend?
A
Toward the normal
7
Q
Fusion is a fancy term for what?
A
Melting
