The Doppler Effect

Beschreibung

This mind map provides an overview of the Doppler effect
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Zusammenfassung der Ressource

The Doppler Effect
  1. Named after Austrian physicist Christian Doppler
    1. Proposed it in 1842
    2. Apparent change in frequency of an object
      1. Appears higher when approaching
        1. Appears lower when moving away
      2. Examples
        1. Siren from an ambulance
          1. Sound from a passing race car
          2. Object moving towards stationary observer
            1. Apparent frequency - f'
              1. f'=\(\frac{v}{v-vs}\)f
            2. Object moving away from stationary observer
              1. Apparent frequency - f'
                1. f'=\(\frac{v}{v+vs}\)
              2. v = speed of wave
                1. vs = velocity of source
                  1. f = frequency of wave
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