The mechanical wave described in the scenario, where a stretched spring is compressed and released, is an example of a longitudinal wave. In a longitudinal wave, the particles of the medium (in this case, the coils of the spring) move parallel to the direction of the wave's propagation, creating areas of compression and rarefaction.
4x A stretched spring attached to two fixed points is compressed and released as shown below.
The resulting wave travels back and forth between the two fixed ends of the spring until it comes to a stop. This mechanical wave is an example of a -
transverse wave.
longitudinal wave.
undulating wave.
4x D light wave.
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