Inverse Square Law

\( I \propto \dfrac{1}{r^{2}} \)

Exhaustive list of 150 physical and cosmological phenomena where intensity decreases proportionally to 1/r² — from gravity to waves, particles, and radiation.

Thibaut LOMBARD
November 4, 2015 — Updated 2025

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# Level Phenomenon Formula Key Condition Creator Nationality Date Example Source