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The wave equation is a second-order partial differential equation used to describe wave phenomena. Solutions to this equation model how disturbances propagate from place to place in an organized manner. This concept is fundamental across physical sciences and engineering, as it applies to various forms of wave motion, including sound, light, and the behavior of subatomic particles.123

Key characteristics of waves include their wavelength, frequency, and amplitude. Waves can be classified as either transverse or longitudinal. Phenomena such as reflection, refraction, diffraction, and interference are fundamental wave behaviors. The study of wave mechanics, particularly as developed by Erwin Schrödinger, is a significant part of quantum mechanics.34

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