An acoustic wave is a propagating pressure and density disturbance in a material medium. Linear sound waves oscillate when pressure restores a displaced fluid element.
An acoustic wave is a type of mechanical wave that propagates through a medium (such as air, water, or solids) due to the oscillation of particles in that medium. These waves transmit energy and information by causing local compression and rarefaction of the medium's particles. Acoustic waves can be categorized into two main types: 1. **Longitudinal Waves**: In these waves, the particle displacement is parallel to the direction of wave propagation.
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