Sound is a form of energy that travels through a medium, such as air or water, in the form of wave motion. It is produced when an object vibrates, creating compressions and rarefactions in the surrounding medium. These vibrations are transmitted as waves, characterized by properties like frequency, wavelength, amplitude, and speed. Sound waves are longitudinal, meaning the particles of the medium vibrate parallel to the direction of wave propagation. The human ear can detect sound waves within a certain frequency range, enabling us to perceive various auditory sensations. Understanding sound and wave motion is fundamental to comprehending the physics of acoustics and communication systems. List of products available in this category are further sub-categorized below.

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	List of products in "Sound"
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	List of products in "Wave Motion"