An isotropic point source \'S\' of sound emits constant power. Two points A and B are situated
Channel: Doubtnut
Date: 2020-03-29

An isotropic point source \'S\' of sound emits constant power. Two points A and B are situated at distance x and 2x from S. the difference between the loudness of points A and B is about (log 2=0.3)