Breadcrumb Home > Dictionary > Index E Einstein's photoelectric equation: Meaning and Definition of Find definitions for: Ein'stein's photoelec'tric equa"tion Pronunciation: [key] — Physics. Physics. the equation that relates the energy of a photoelectron to the difference between the product of the frequency of the incident radiation times Planck's constant and the energy needed to remove the photoelectron from the substance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Einstein shift Einstein theory TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: panache Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language