Police car siren
Videonummer 11938477
| Police car siren demonstrating the Doppler effect. As the police car moves, the sound waves from the siren become spread out behind it and compressed in front of it. This creates a change in pitch as the vehicle moves past an observer. It will sound higher in pitch as it is approaching the observer and lower in pitch as it is receding from the observer. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA |
| Modell-Rechte: | nicht erforderlich |
| Länge: | 27 Sekunden |
| Seitenverhältnis: | 16:9 |
| Restrictions: | - |
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