In the tuning above, tightening slowed the beats, so the string's frequency was originally:

  1. 448 Hz
  2. 436 Hz (below 440 Hz)
  3. 440 Hz
  4. 444 Hz
Answer

B) 436 Hz (below 440 Hz)

Tightening raises frequency; it moved closer to 440 Hz from below. SLO P-11-D-16 · Application

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