Vocab Bloom Hub

doppler effect

/ˈdɒplər ɪˈfekt/

1 entry

phrase

/ˈdɒplər ɪˈfekt/C1formalscientific
  • ruНаучное явление, при котором частота волн (таких как звук или свет) изменяется для наблюдателя, движущегося относительно источника волн, вызывая сдвиг высоты тона или цвета.

A scientific phenomenon where the frequency of waves (such as sound or light) changes for an observer moving relative to the source of the waves, causing a shift in pitch or color.

  1. Change in wave frequencyC1formal

    The change in frequency or wavelength of a wave in relation to an observer moving relative to the wave source.

    ruИзменение частоты волны

    • The Doppler effect explains why a siren sounds higher pitched as it approaches you.
    • Astronomers use the Doppler effect to measure the speed of distant stars.
    • Radar guns rely on the Doppler effect to detect the speed of vehicles.