It is a gesture of friendliness, and a token of friendship.
To show that their hands are free from weaponry.
The Least We Can Do Is Wave to Each Other was created in 1970-02.
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.
They cancel each other.
The fields are at right angles to each other and to the direction of the wave.
milky wave is when ther is to poscents of gravity hits each other
Standing wave If they do a great job, the wave practically disappears.
with a sine wave
They wave and say Hi!
Interference means two waves meet each other. If the waves are in same phase, they'll enhance each other, creating a bigger wave or a bigger maximum at that point. If they are in opposit phase, they'll undo each other either fully or partially. This is called an destructive interference wave.
The frequency of this sound wave is very near constant.
Interference means two waves meet each other. If the waves are in same phase, they'll enhance each other, creating a bigger wave or a bigger maximum at that point. If they are in opposit phase, they'll undo each other either fully or partially. This is called an destructive interference wave.