The beat frequency equals:

  1. the average of the frequencies
  2. the sum of the two frequencies
  3. the difference between the two frequencies
  4. the product of the frequencies
Answer

C) the difference between the two frequencies

fb = f1 - f2. SLO P-11-D-15 · Understanding

Physics MCQ · More Superposition, Stationary Waves and Beats MCQs · Practise