: Regions where molecules are pushed together, resulting in high pressure.
: Humans can generally hear frequencies between The Physics of Sound
When multiple sound waves meet, they interact through interference: : Regions where molecules are pushed together, resulting
The speed of sound in a fluid or solid is also determined by the material's bulk modulus ( ) or Young's modulus ( ) and its density ( used in noise-canceling technology.
: Waves cancel each other out, used in noise-canceling technology.