1
Q
Pulse
A
A single disturbance
2
Q
Wave
A
A regular succession of pulses transferring energy from one place to another
3
Q
Amplitude
A
The maximum disturbance of a particle from rest /equilibrium position
4
Q
Crest
A
The highest point on a wave
5
Q
Trough
A
The lowest point on a wave
6
Q
Points in phase
A
Are at the same position in the wave motion but wavelengths apart
7
Q
Period (T)
A
The time taken for a single wave/cycle to pass a given point
8
Q
Frequency (f)
A
The number of waves /cycles passing a given point in one second
9
Q
Wavelength
A
the distance between successive points in phase
(D)2022 Science Grade 9
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