This article is about waves in the scientific sense. A wave is a disturbance that transfers energy through matter or space. There are two main types of waves. This keeps the molecules from continuing to travel in the direction waving through a window pdf the wave.

The mathematical form of this equation varies depending on the type of wave. However, a vibration is not necessarily a wave. It may appear that the description of waves is closely related to their physical origin for each specific instance of a wave process. This difference in origin introduces certain wave characteristics particular to the properties of the medium involved. Other properties, however, although usually described in terms of origin, may be generalized to all waves. On the other hand, if all the parts were independent, then there would not be any transmission of the vibration and again, no wave motion.

Consider the string to have a single spatial dimension. Animation of two waves, the green wave moves to the right while blue wave moves to the left, the net red wave amplitude at each point is the sum of the amplitudes of the individual waves. To understand them, one must consider several types of waveform. For simplification, examination is restricted to one dimension. This shows a wave with the Group velocity and Phase velocity going in different directions. However, an exception occurs at the location where the argument φ of the exponential varies slowly.