A source of frequency 600 Hz moves at 34 m/s towards a stationary observer. The speed of sound is 340 m/s. The observed frequency is:

  1. 545 Hz
  2. 733 Hz
  3. 667 Hz
  4. 600 Hz
Answer

C) 667 Hz

fo = fs vv - vs = 600 340340 - 34 = 667 Hz. SLO P-11-D-03 · Application

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