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P4 key facts
Terms in this set (12)
Name two mechanical waves
sound and water waves
What is amplitude?
the distance from the middle to the top or bottom of a wave
What is the wavelength of a wave?
The distance from a point on one wave to the same point on the next wave
What is the frequency of a wave?
number of waves per second
What is the time period?
the time for one wave to pass a given point
What is a ripple tank used for?
to measure the velocity of water waves
What does timing how long it takes to hear an echo?
can be used to measure the velocity of sound waves
What are sound waves?
Properties of longitudinal waves
the direction of the vibration of individual particles is the same as the direction of the wave
Name an electromagnetic wave
to vibrate at right angles to the direction in which the wave travels
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