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year 10
Waves
Transverse + Longitudinal + description
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Created by
Nicole
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Cards (17)
a wave = a
transfer
of energy
two types of waves =
transverse
+
longitudinal
Transverse =
light
=
vibrations
(oscillate) are
90
degrees to motion
Longitudinal
waves = sound = oscillates on the same plane as motion
Longitudinal
= if you push that way, it'll go that way (like dominoes)
Transverse = up and down (like a mexican wave; up and across)
peak
/ crest = highest point of wave
Trough
=
lowest
point of a wave
Wavelength
(
λ
) =
distance
between two waves (from
peak
to
peak
or
trough
to
trough
)
amplitude
= height (depth) of a wave
Frequency
(Hz) = amount of waves per second
50hz =
50
waves per second
wavespeed
= speed of a wave(m/s)
Time period
= how long it takes for one wave to pass
1 wave =
1
peak +
1
trough
120Hz =
120
waves per second
to calculate wavelength :
total distance
/
amount of waves