Sound is a form of energy that propagates through a medium as a mechanical wave, typically in the form of longitudinal waves. It is produced by vibrating objects and is perceived by our ears.
5 Must Know Facts For Your Next Test
Sound travels faster in solids than in liquids and gases due to closer particle spacing.
The speed of sound in air at room temperature (20°C) is approximately 343 meters per second.
The frequency range of human hearing is roughly 20 Hz to 20,000 Hz.
Sound intensity decreases with distance according to the inverse square law.
The Doppler effect describes the change in frequency or wavelength of sound from a moving source relative to an observer.