Representing longitudinal waves
Lesson 8 / 13
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I can interpret and sketch graphs of longitudinal waves.
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In a longitudinal wave, the oscillations / vibrations are in the same direction in which the wave travels.
Displacement is the distance one part of a wave is moved away from its rest position.
In a longitudinal wave, forwards displacement is positive and backwards displacement is negative.
Wavelength of a longitudinal wave is the distance between one compression (or rarefaction) and the next.
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