6.A wave has a frequnecyon 120Hz.Two points at a distance of 9m apart have a phase difference of 1080degrees. The velocity of the wave is---- Share with your friends Share 4 Neha Gupta answered this frequency f = 120 HzTime period = 1120 stime taken to cover 360 degree = 1120degreetime taken to cover 108 degree = 1120×108360 = 0.0025sdistance travelled = 9 mvelocity = distancetime = 90.0025 = 3600 m/s -3 View Full Answer
