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Physics
Waves
Longitudinal and transverse waves
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Created by
Chloe Smith
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Cards (24)
What are the basics of waves discussed in the video?
Labeling parts,
calculating
wave speed,
types
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What do waves transfer from one place to another?
Energy
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Do waves transfer matter?
No
, they
do
not
transfer matter
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How does our brain interpret energy from waves?
By
building
images
and
tunes
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What do waves do as they travel?
Vibrate
or
oscillate
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In a displacement-distance graph, what does distance represent?
How
far
the wave has
traveled
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What is the maximum displacement of a wave called?
Amplitude
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What is the distance of one entire oscillation called?
Wavelength
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What is the opposite of the crest in a wave?
Trough
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What is the time period of a wave?
Time for one complete
oscillation
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How do you calculate frequency from the time period?
Frequency =
1
/
time period
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What does a displacement-time graph show?
Time
on the x-axis instead of
distance
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If the time period is 0.5 seconds, what is the frequency?
2 Hz
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If the frequency is 4 Hz, what is the time period?
0.25 seconds
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How do you calculate wave speed?
Wave speed =
wavelength
×
frequency
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What is the wave speed of a sound wave with a frequency of 400 Hz and wavelength of 70 cm?
280 m/s
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What is the unit for measuring frequency?
Hertz
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What are the two types of waves discussed?
Transverse
and
longitudinal
waves
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How are oscillations in transverse waves oriented?
Perpendicular
to energy transfer direction
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What are examples of transverse waves?
Light
,
radio
waves,
water
waves
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How are oscillations in longitudinal waves oriented?
Parallel to
energy transfer
direction
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What do longitudinal waves create in their medium?
Regions of
compression
and
rarefaction
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What is an example of a longitudinal wave?
Sound waves
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What are the key differences between transverse and longitudinal waves?
Transverse
waves: oscillations
perpendicular
to
energy transfer
Longitudinal
waves: oscillations
parallel
to energy transfer
Examples of transverse: light, radio, water waves
Examples of longitudinal: sound waves,
seismic P-waves
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