10.4 Sound Waves

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.