An Example of Doppler Effect

An emergency ambulance with switched on siren passes a person who is standing at the street.

Note: This applet is not very realistic in one respect: As the Doppler effect should be seen as clearly as possible, the sound waves have a smaller velocity than in reality.

 

 
Physics
Physics Applets

URL: http://www.walter-fendt.de/ph14cn/dopplereff_cn.htm
© Walter Fendt, February 25, 1998
© Translation: Haijun Wang
Last modification: July 7, 2008