When two sound waves of nearly equal frequency reach a listener simultaneously
PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
When two sound waves of nearly equal frequency reach a listener simultaneously, which of the following quantities is numerically equal to the absolute difference between the two frequencies?
(a) 2∣f1−f2∣
(b) the average frequency of the two sound waves
(c) the beat frequency
(d) f1+f2