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:A man stands in front of a tall wall and produces a…The breaking up of an atomic nucleus into the…A ball of mass 0.5kg moving at 10ms−¹ collides with…A state with more than one dominant political party…The sound heard by a person after the reflection of…