People wave to visually say hi or bye to each other from a far distance. People also use waving to get someone's attention. It has been around for so long that people just do it.
Common noun: A wave, the wave. Verb: I wave, you wave, we wave, they wave.
An ultrasonic wave is not an electromagnetic wave; it is a sound wave.An ultrasonic wave is not an electromagnetic wave; it is a sound wave.An ultrasonic wave is not an electromagnetic wave; it is a sound wave.An ultrasonic wave is not an electromagnetic wave; it is a sound wave.
Wave on Wave was created in 2002.
A tidal wave is a water wave so it is a mechanical wave.
A sound wave is considered a sinusoidal wave.
No. A sound wave is a pressure wave.
Mexican Wave? A non-electromagnetic wave.
A compressional wave is a primary wave
An electromagnetic wave is a radiant wave.
electromagnetic wave is not a sound wave
Sound wave; shock wave; gravitational wave; Mexican wave, Royal wave, etc.
The frequency of a wave is not directly related to the wave length. A low frequency wave or a high frequency wave may be either long-wave or short-wave.