Doppler effect
Understand the Problem
The question is asking about the Doppler effect, which refers to the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source. It commonly refers to sound waves and can also apply to electromagnetic waves such as light.
Answer
The Doppler effect is the change in frequency of a wave relative to an observer due to the motion of the source or observer.
The Doppler effect is the change in frequency or wavelength of a wave in relation to an observer moving relative to the source of the wave.
Answer for screen readers
The Doppler effect is the change in frequency or wavelength of a wave in relation to an observer moving relative to the source of the wave.
More Information
The Doppler effect is commonly observed when a vehicle sounding a siren or horn approaches, passes, and recedes from an observer. The phenomenon is used in various technologies such as radar and medical imaging.
Sources
- Doppler effect - Wikipedia - en.wikipedia.org
- Doppler Effect - Definition, Formula, Examples, Uses, FAQs - BYJU'S - byjus.com
- Doppler effect | Definition, Example, & Facts - Britannica - britannica.com
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