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:What will happen wen two equal-sized pieces of…The periodic rise and fall in the intensity of sound…A man stands in front of a tall wall and produces a…The frequency of beats produced when two tunning…During a thunderstorm; the sound is heard over a…