Sound interference is necessary to produce the phenomenon of? by Sunday | May 19 | Physics WAEC | 0 comments A. beats B. doppler effect C. acoustic resonance D. echo Correct Answer: Option A A. beats Users Also Read These:In order to avoid undue interference in the process…Which of the following is/are necessary for the…The phenomenon that makes sound persist when its…I. Refraction II. Interference III. Diffraction…When two notes of nearly equal frequencies are…