Any sound with a frequency above 20,000 Hz (or 20 kHz)—that is, above the highest…

Resonance is a phenomenon in which a small-amplitude driving force could produce large-amplitude motion. Standing…

Frequency is the number of waves per unit of time, and in sound is heard…

Doppler’s effect explains the perceived increase (or decrease) in the frequency of sound, light, or…

The speed of sound is dependent on the properties of the material it travels through:…

Attenuation is the decrease in the intensity of a wave propagating through a medium. Resonance…

Sound Intensity is the power per unit area carried by a wave; power is the…

Sound can be produced in many ways, by many different instruments and devices. Vibrating Strings…