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PRACTICE · MEMBERSIntermediate · Single correct

PRACTICE / Beats

A slow envelope from two nearby tones

Two stationary tuning forks produce tones of 256 Hz and 260 Hz.

How many beats per second are heard?

Organize the givens & assumptions
  • f₁ = 256 Hz
  • f₂ = 260 Hz

Two steady nearby frequencies reaching a stationary listener in a linear medium; audible superposition.

  1. A258 Hz258\ \mathrm{Hz}
  2. B516 Hz516\ \mathrm{Hz}
  3. C2 Hz2\ \mathrm{Hz}
  4. D4 Hz4\ \mathrm{Hz}

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