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Meaning of de Broglie equation

de Bro'glie equa"tion

Pronunciation: [key]
— Physics. Physics.
  1. the postulate of wave mechanics that a particle of mass m moving at a velocity v will have the properties of a wave of wavelength h/mv where h is Planck's constant.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.