Inverse Square Law
2 definitions

Inverse Square Law

The law that states when thermal or nuclear radiation is uniformly emitted from a point source, the amount received per unit area at any given distance from the source, assuming no absorption, is inversely proportional to the square of that distance.

Inverse Square Law

The Inverse Square Law expresses mathematically the relationship between luminous intensity (CD) and illumination (FC). It states that illumination at a point on a surface is directly proportional to the luminous intensity of the light in that direction and inversely proportional to the square of its distance (D) from the source.

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About this term

Inverse Square Law has been defined 2 different ways in documents like Ballistic Missile Defense, Texas Department of Transportation Glossary.

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