An observer at distance r from point source observes

Last updated: 6/27/2023

An observer at distance r from point source observes intensity at decibal scale B dB Now eight coherent identical point source all are in same phase are placed at the position of previous source and observer move to a distance 3r from sources log 2 0 3 logic 3 0 47 Ratio of intensity from eight sources at distance 3r to the intensity due to one source at distance ris