The wavelength of a sound wave refers to the distance between two consecutive points in the wave that are in the same phase. In other words, it is the distance from one point on a wave to the corresponding point on the next wave.
In general, the wavelength of a sound wave depends on the speed of sound in the medium through which it is traveling and the frequency of the wave. The relationship between these quantities is given by the formula:
wavelength = speed of sound / frequency
The speed of sound varies depending on the medium. In dry air at sea level and at a temperature of around 20 degrees Celsius, the speed of sound is approximately 343 meters per second. However, keep in mind that the speed of sound can change depending on factors such as temperature, humidity, and the composition of the medium.
Therefore, to determine the wavelength of a sound wave, you would need to know the frequency of the wave and the speed of sound in the medium through which it is propagating.