A point source emits sound equally in all directions in a non-absorbing medium. Two point
Channel: Doubtnut
Date: 2020-01-19

A point source emits sound equally in all directions in a non-absorbing medium. Two point `P` and `Q` are at distance of `2 m` and `3 m` respectively from the source. The ratio of the intensities of the wave at `P` and `Q` is :