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Paper 2
Waves
Longitudinal & Transverse Waves
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Ashley mak
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Cards (14)
What is a wave?
A
disturbance
that transfers
energy
from one place to another without transferring matter
What is the frequency of a wave?
The number of times a wave
oscillate
in one second
Features of a wave
Crest
Trough
Amplitude
What is the wavelength of a wave?
Length of one
oscillation
, in
metres
What is the amplitude of a wave?
The maximum displacement from the
equilibrium
position
Unit
for
frequency
Hertz (Hz)
Unit
for
wavelength
Metres
(m)
What is the time period of a wave?
The time it takes for one entire
oscillation
of a wave in
seconds
Formula for time period
Time period = 1/
frequency
Formula that links wave speed frequency and wavelength
Wave speed (
m/s
) = frequency (
Hz
) x wavelength (m)
What is a transverse wave?
A wave where oscillations are
perpendicular
to the direction of
energy transfer
4 examples of transverse waves
Electromagnetic waves
Water waves
Waves on a string
Seismic s-waves
What is a longitudinal wave
Where the
oscillations
are parallel to the
direction of energy transfer
2 examples of longitudinal waves
Sound waves
Seismic p-waves