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 sound heard by a person after the reflection of…When the nucleus of a uranium atom is split into two…A ball of mass 0.5kg moving at 10ms−¹ collides with…A man stands in front of a tall wall and produces a…The diagram above illustrates two waves of equal…