For formation of beats, two sound notes must have

Question

For formation of beats, two sound notes must have (A) different amplitudes and different frequencies (B) exactly equal frequencies only (C) exactly equal amplitudes only (D) nearly equal frequencies and equal amplitudes

Tardigrade Admin · Accepted Answer

In a sound notes various frequencies are mixed, hence beats can produce by two sound notes only when they have nearly equal frequencies and equal amplitudes.

Q. For formation of beats, two sound notes must have

different amplitudes and different frequencies

exactly equal frequencies only

exactly equal amplitudes only

nearly equal frequencies and equal amplitudes

In a sound notes various frequencies are mixed, hence beats can produce by two sound notes only when they have nearly equal frequencies and equal amplitudes.