The diagram below represents displacement D, versus time, t graph of a progressive wave. Deduce the frequency of the wave by Sunday | May 21 | Physics WAEC | 0 comments A. 20 Hz B. 10 Hz C. 5 Hz D. 4 Hz Correct Answer: Option B B. 10 Hz Users Also Read These:A progressive wave equation is represented by Y= a…A certain wave has a speed of 20ms-1. If the…The area under a velocity-time graph representsThe sketched graph represents a progressive wave…The diagram above illustrates a wave setup between…