Einstein's photoelectric equation

noun

Definition of Einstein's photoelectric equation

: an equation in physics giving the kinetic energy of a photoelectron emitted from a metal as a result of the absorption of a radiation quantum: Ek=hν−ω where Ek is the kinetic energy of the photoelectron, h is the Planck constant, ν is the frequency associated with the radiation quantum, and ω the work function of the metal

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History and Etymology for Einstein's photoelectric equation

after Albert Einstein

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Cite this Entry

“Einstein's photoelectric equation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Einstein%27s%20photoelectric%20equation. Accessed 26 Oct. 2021.

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