Chapter 4 - Waves Flashcards
1
Q
How do you calculate the wave speed?
A
Frequency x wavelength
2
Q
How do transverse waves oscillate?
A
At a right angle
3
Q
What is a definition of a wave?
A
A wave transfers energy from one place to another
4
Q
What is refraction, in terms of waves?
A
The change in direction of a wave at a boundary due to its speed.
5
Q
What is an example of refraction?
A
Light travelling from air to glass or waves in deep to shallow water
6
Q
What are the highest and lowest points of a wave called?
A
Highest - peak
Lowest - trough
7
Q
What does diffraction mean, in terms of waves?
A
The spreading out of waves
8
Q
How do longitudinal waves oscillate?
A
Parallel
9
Q
What is an example of a transverse wave?
A
Light
10
Q
What is an example of a longitudinal wave?
A
Sound