4x A stretched spring attached to two fixed points is compressed and released as shown below.

Question

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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 -

A
transverse wave.

B
longitudinal wave.
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C
undulating wave.

D
light wave.

Answer 1

The correct answer is:

B - longitudinal wave.

In a longitudinal wave, the particles of the medium move parallel to the direction of the wave's propagation, which is the case when a spring is compressed and then released, creating regions of compression and rarefaction as it oscillates back and forth.