When two notes of nearly equal frequencies are sounded together, periodic rise and fall in sound intensity can be heard. This phenomenon can be called by Sunday | May 22 | Physics WAEC | 0 comments A. beats B. diffraction C. overtones D. resonance Correct Answer: Option A A. beats Users Also Read These:The diagram above illustrates two waves of equal…A cannon is fired from town X; after how long is the…The breaking up of an atomic nucleus into the…During a thunderstorm; the sound is heard over a…When the nucleus of a uranium atom is split into two…