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What are the different types of acoustic waves?
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The different types of acoustic waves include longitudinal, shear, surface, Rayleigh, and Stoneley waves. Longitudinal waves travel through a medium in the direction of their propagation, while shear waves move at an angle to the direction of propagation. Surface waves occur on the surface of a medium and are characterized by compression and tension. Rayleigh waves are generated when an object is immersed in an elastic material and they propagate along the interface between the two materials. Stoneley waves are caused by the interaction of an acoustic wave with a boundary.