The speed of a wave is how fast the disturbance of the wave is moving. The speed of a wave refers to the distance traveled by a given point on the wave in a given interval of time. Knowing wavelength and wave period, the wave speed ( v ) can be calculated by dividing wavelength (λ) by period (T).

Since

it implies that the speed (v) of a wave is equal to the product of frequency and wavelength.

The above equation is known as the wave equation.

Note that the speed of a wave depends on the properties of the medium through which the wave propagates and not on the mechanism that is generating the wave.