Waves Chapter 4 Flashcards
1
Q
What is a wave?
A
Transfers energy in the direction the wave travels, without transferring matter.
2
Q
What is a mechanical wave?
A
Wave that needs a medium to transfer energy in direction of wave travel.
3
Q
What is an electromagnetic wave?
A
Wave that does not need a medium to transfer energy in direction of wave travel.
4
Q
What is a stationary wave.
A
Energy is trapped inside pockets
5
Q
What is a progressive wave?
A
A wave that transfers energy
6
Q
What is amplitude?
A
Maximum displacement on a wave starting from rest
7
Q
Define diffration.
A
Spread out or bending of waves through a gap
