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Doppler effect

physical science Maturity 7-9

Sounds can change as they move.

Dopplerfrequenz.gif
Dopplerfrequenz.gif
A loud siren moves past you. It sounds high when it comes near. It sounds low when it goes away. This helps us know how fast things go.
Juli 2016 - Spoedtransport, Huisarts, Brandweer, Politie en Ambulances met spoed in Rotterdam -451.webm
Juli 2016 - Spoedtransport, Huisarts, Brandweer, Politie en Ambulances met spoed in Rotterdam -451.webm
Can you hear it change?

54 words
🖼️ Images & Media (10)
File:Doppler effect diagrammatic.svg
Doppler effect diagrammatic.svg
File:Dopplerfrequenz.gif
Dopplerfrequenz.gif
File:Picture of the first 'wall formula' in the city of Utrecht 01.jpg
Picture of the first 'wall formula' in...
Juli 2016 - Spoedtransport, Huisarts,...
File:Redshift.svg
Redshift.svg
File:radar gun.jpg
radar gun.jpg
File:CarotidDoppler1.jpg
CarotidDoppler1.jpg
File:SatDoppler.png
SatDoppler.png
File:DopplerSatScheme.png
DopplerSatScheme.png
File:SatDopplerSpectrum.png
SatDopplerSpectrum.png
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📚 Content adapted from Wikipedia | Readability: FK 12.8 | Vital Level 4