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The title says it all: this blog features physics videos found everywhere on the web: animations, demonstrations, lectures, documentaries.
Please go here if you want to suggest other nice physics videos, and here if I mistakingly infringed your copyrights. If you understand French, you'll find a huge selection of physics videos in French in my other blog Vidéos de Physique.

Saturday, 26 March 2011

Doppler effect

Four short animations illustrating Doppler effect:

1) Listener in motion

First, the listener is at rest, then he moves toward the source; finally, he moves away from the source.



2) Source in motion

The source (in red) move away from green listener and toward cyan listener.



3) Source in motion at the speed of sound, formation of a shock wave (sound barrier)



4) Source in motion at twice the speed of sound (Mach cone)



Other animations by Yves Pelletier

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