Doppler Effect for Sound
PhysicsOscillations & WavesCommunity
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Sign in to playVisualize the Doppler effect with a moving source and observer. Watch the circular wavefronts bunch up ahead and spread out behind the moving source, and see a Mach cone form when the source breaks the sound barrier.
Lesson: The Doppler effect describes the change in observed frequency of a wave when there is relative motion between the source and the observer. In this simulation, explore how the speeds of both the source and the observer affect the pitch of the sound heard.
Created by a teacher with Simulic AI and reviewed by the Simulic team.
How to use
Parameters you can change
- Preset Custom Settings, Ambulance Siren Example
- Source Velocity (Mach) 0–1.5 Mach
- Observer Velocity (Mach) -0.5–0.5 Mach
- Source Frequency 100–1000 Hz