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Swipe the Doppler shifts by pitch

Exercise and reference answers

Left
Higher frequency
Items
  1. Item
    Car approaches you
    Answer
    Higher frequency
  2. Item
    Blueshifted light
    Answer
    Higher frequency
  3. Item
    Car moves away
    Answer
    Lower frequency
  4. Item
    Longer wavelength
    Answer
    Lower frequency
  5. Item
    Shorter wavelength
    Answer
    Higher frequency
  6. Item
    You move closer
    Answer
    Higher frequency
  7. Item
    Redshifted light
    Answer
    Lower frequency
  8. Item
    You move away
    Answer
    Lower frequency
Right
Lower frequency
Instructions
Swipe left when the observed frequency is higher, right when it is lower.

Explanation

_Source: Siyavula Physical Sciences Grade 12 (CC BY 4.0), Chapter 6 Doppler Effect_
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