Source
Reference from the original Physics I textbook.
- Source
Usually denoted as . It is the location and source of where sound is coming from.
- Related Glossary Terms
- Index
Glossary and deeper reading · 1 refreshers
These editorial refreshers supplement the reading. Definitions and examples are added guidance; original source wording and recorded answers remain in their original context.
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Doppler effect
The Doppler effect is a difference between emitted and observed frequency caused by relative motion of source and observer. For sound, both motions must be considered relative to the medium; motion changes the rate at which wavefronts are encountered. For example, a sound source approaching a stationary listener usually produces a higher observed frequency than the source’s rest frequency.