When a tuning fork vibrates and produces sound, what type of waves is created in the air?
A longitudinal wave with compressions and rarefactions.
A vibrating tuning fork pushes and pulls the air layers next to its prongs.
This creates alternate regions of high pressure (compressions) and low pressure (rarefactions) that travel through the air, with the particles vibrating along the direction of travel.
A wave in which particles vibrate along the direction of propagation is a longitudinal wave; crests and troughs belong to transverse waves.
Hence, the answer is a longitudinal wave with compressions and rarefactions.
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