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Inverse Square Law of Light - Intensity = Power / Area

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Inverse Square Law of Light - Intensity = Power / Area

The law states that everytime the distance light travels is doubled, the intensity of that light is reduced to 1/4.

Question: Demonstrate the reduction of light intensity with distance beginning with 1D equals 10 feet. What is the light density at 14 feet and at 20 feet?

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Solution Summary

Provides steps necessary to determine the light density.

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