A bee buzzes in a circle around your head. You hear:

  1. a constant pitch
  2. the pitch rise and fall periodically
  3. silence
  4. only a rising pitch
Answer

B) the pitch rise and fall periodically

It approaches and recedes in turn. SLO P-11-D-02 · Understanding

Physics MCQ · More Wave Intensity and the Doppler Effect MCQs · Practise