8.4 The Nature of Sound

Nature of Sound

We can define sound as a series of longitudinal waves traveling through some medium, such as a solid, liquid, or gas. Duration: 3:58.

Sound in Air

Sound waves travel outward in three dimensions taking a measurable time to travel and become weaker with increasing distance. Duration: 2:47.

Wave Speed

The speed of a wave equals its frequency times wavelength. Duration: 3:03.


Noise and Music

Noise and music are two flavors of sound, but how exactly are they different and how are they similar? Duration: 4:17.