Describing & Measuring Waves Flashcards
1
Q
Amplitude
A
The displacement from the rest position to a trough or crest
2
Q
Wavelength
A
The length of a full cycle of the wave
3
Q
Frequency
A
The number of complete cycles of wave passing through a certain point per second
4
Q
Period of a wave
A
The number of seconds it takes for one full cycle
5
Q
In transverse waves, the vibrations are _________ to the wave direction
A
perpendicular
6
Q
Examples of transverse waves
A
Electromagnetic waves, s-waves and ripples
7
Q
In longitudinal waves, the vibrations are ________ to the wave direction
A
parallel
8
Q
What do longitudinal waves make?
A
Compressions and rarefractions
9
Q
Formula to calculate wave speed
A
Frequency x wavelength
10
Q
Unit used to measure frequency
A
Hertz (Hz)
