Question

what is a longitudinal wave?​

Answer 1

Answer:

Longitudinal waves are waves in which the vibration of the medium is parallel to the direction the wave travels and displacement of the medium is in the same (or opposite) direction of the wave propagation. Mechanical longitudinal waves are also called compressional or compression waves, because they produce compression and rarefaction when traveling through a medium, and pressure waves, because they produce increases and decreases in pressure.

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Answer 2

Answer:

Longitudinal waves are waves where the disturbance moves in the same direction as the wave.