The Concept of Standing Waves

A standing wave is basically a way that doesn't move it stands in the same place now but i've just defined wave is essentially a movement of vibrations transferring energy from one place to another. It's an important concept particularly in electromagnetism and we'll go into this more detail again when we talk about sound. In water if you have a wave that's um sort of a flat um wave that's just moved down and you pass through an aperture it will spread out and go in a nice circle for you there once again pictures of that on the internet.