Ultrasound, like audible sounds, is transmitted by means of longitudinal waves. Ultrasound is used in medicine to break up kidney stones and gall stones. It is also used, in a process known as ...

Amplitude – the distance from a peak or ... The same terms can be used to describe longitudinal waves, but with a few important differences: Compression – a region of high pressure, where ...

Amplitude modulation (AM) is the oldest method of transmitting human voice electronically. In an analog telephone conversation, the voice waves on both sides are modulating the voltage of the ...