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questionedithistorytranslations
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flag English language

What physical phenomenon is shown in the picture?
Euler spiral
Fraser spiral
Mach number
Doppler effect
The Doppler effect is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source. It is named after the Austrian physicist Christian Doppler, who described the phenomenon in 1842. The Doppler effect is based on the principle of radar or ultrasound.
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wikipedia → Doppler effect
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flag Polish language

Jakie zjawisko fizyczne ukazane jest na zdjęciu?
Fatamorgana
Spirala Frasera
Wstęga Macha
Efekt Dopplera
Efekt Dopplera to bardzo ciekawe zjawisko fizyczne: zachodzi między źródłem fali (np. dźwiękowej, świetlnej), a jej odbiornikiem. Zjawisko Dopplera jest często wykorzystywane w medycynie, fizyce, obliczeniach matematycznych, astronomii itd. Na efekcie Dopplera opiera się zasada działania radaru czy ultrasonografu.
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wikipedia → Efekt Dopplera#Zobacz też
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