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inverse square law

noun, Physics, Optics.
one of several laws relating two quantities such that one quantity varies inversely as the square of the other, as the law that the illumination produced on a screen by a point source varies inversely as the square of the distance of the screen from the source. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for inverse square law
Historical Examples
  • Will an inverse square law of force keep a body moving in an elliptic orbit about the sun in one focus?

    Pioneers of Science Oliver Lodge
British Dictionary definitions for inverse square law

inverse square law

any natural law in which the magnitude of a physical quantity varies inversely with the square of the distance from its source
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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