inverse square law

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law

 [law]
a uniform or constant fact or principle. For specific named laws, see under the name.
law of independent assortment the members of gene pairs segregate independently during meiosis; see also mendel's laws.
inverse square law the intensity of radiation is inversely proportional to the square of the distance from the source of radiation.
law of segregation in each generation the ratio of (a) pure dominants, (b) dominants giving descendants in the proportion of three dominants to one recessive, and (c) pure recessives is 1:2:1. This ratio follows from the fact that the two alleles of a gene cannot be a part of a single gamete, but must segregate to different gametes. See also mendel's laws.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

in·verse square law

as applied to point sources, the intensity of radiation diminishes in proportion to the square of the distance from the source.
Farlex Partner Medical Dictionary © Farlex 2012

in·verse square law

(in'vĕrs skwār law)
In radiation therapy, proposition that intensity of a radiation beam is inversely proportional to the square of the distance from the source of radiation.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012