Two tuning forks of 256 Hz and 260 Hz are sounded together. The number of beats heard per second is:

  1. 258
  2. 4
  3. 8
  4. 516
Answer

B) 4

Beat frequency = f1 - f2 = 4 Hz. SLO P-11-D-15 · Understanding

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