Inverse Square Law


Inverse Square Law : (Phys) A law that describes the decrease in radiation intensity over distance. When energy is propagating through space, its intensity is inversely proportional to the square of the distance it has traveled. An object 3 feet away from an energy source receives 1/9 the energy of that received by an identical object 1 foot away; 4 feet away, 1/16; and so on
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