A 1.5m1.5m - long string is fixed at both ends and tightened until the wave speed is 20m/s20m/s. What is the frequency of the standing wave shown in the figure? f=
A 1.5m1.5m - long string is fixed at both ends and tightened until the wave speed is 20m/s20m/s. What is the frequency of the standing wave shown in the figure? f=