Dopplerefekt
The Dopplerefekt, commonly referred to as the Doppler effect, is a well-known phenomenon in physics that describes the change in frequency and wavelength of a wave for an observer moving relative to its source. This effect applies to various types of waves, including sound, light, and water waves, and is named after the Austrian physicist Christian Doppler, who proposed the principle in 1842.
When the source of waves and the observer are in relative motion, the observed frequency differs from
The Doppler effect is widely observed in everyday life. For example, the characteristic "whoosh" sound of an
The mathematical formulation of the Doppler effect depends on the type of wave and the medium involved.