
Sound | Properties, Types, & Facts | Britannica
Nov 6, 2025 · The study of sound should begin with the properties of sound waves. There are two basic types of wave, transverse and longitudinal, differentiated by the way in which the wave is …
Sound - Frequency, Wavelength, Absorption | Britannica
Nov 6, 2025 · Sound - Frequency, Wavelength, Absorption: In addition to the geometric decrease in intensity caused by the inverse square law, a small part of a sound wave is lost to the air or …
Properties of sound | Britannica
sound, Mechanical disturbance that propagates as a longitudinal wave through a solid, liquid, or gas. A sound wave is generated by a vibrating object. The vibrations cause alternating …
Sound - Frequency, Wavelength, Impedance | Britannica
Nov 6, 2025 · Sound - Frequency, Wavelength, Impedance: One of the important physical characteristics relating to the propagation of sound is the acoustic impedance of the medium in …
Acoustics | Definition, Physics, & Facts | Britannica
acoustics, the science concerned with the production, control, transmission, reception, and effects of sound. The term is derived from the Greek akoustos, meaning “heard.”
Sound - Frequency, Amplitude, Decibels | Britannica
Nov 6, 2025 · Sound - Frequency, Amplitude, Decibels: The idea of noise is fundamental to the sound of many vibrating systems, and it is useful in describing the spectra of vocal sibilants as …
How Does Sound Travel? | Waves, Speed, Frequency, & Amplitude
Nov 5, 2025 · Sound waves have properties such as frequency and wavelength that affect how we perceive them. Frequency, measured in hertz, determines the pitch of the sound: higher …
Sound - Decibel, Frequency, Amplitude | Britannica
Nov 6, 2025 · Sound - Decibel, Frequency, Amplitude: The ear mechanism is able to respond to both very small and very large pressure waves by virtue of being nonlinear; that is, it responds …
Speed of sound | Description & Examples | Britannica
Oct 8, 2025 · The study of sound should begin with the properties of sound waves. There are two basic types of wave, transverse and longitudinal, differentiated by the way in which the wave is …
Sound - Resonance, Frequency, Wavelength | Britannica
Nov 6, 2025 · Sound - Resonance, Frequency, Wavelength: In an open tube, the standing wave of the lowest possible frequency for that particular length of tube (in other words, the …