Question

intensity of wave from a line source at a distance r from it is proportional to​

Answer 1

Answer:The intensity (or illuminance or irradiance) of light or other linear waves radiating from a point source (energy per unit of area perpendicular to the source) is inversely proportional to the square of the distance from the source; so an object (of the same size) twice as far away, receives only one-quarter the energy ...

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