Meaning of INVERSE SQUARE LAW in English

INVERSE SQUARE LAW

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.

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .