Intensity of Wave & Intensity of a Point Source at a Distance

p {margin: 0; padding: 0;} intensity of wave (I) The amount of wave pa- ssing normally through the 3 unit area in a unit time. IXA I , & P Intensity of a point source at a distance I I, P x4 5 x Ix 5 @ I2 x2 I, 2 x2 = In x,2