Einstein's photoelectric equation

noun

: 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

Word History

Etymology

after Albert Einstein

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Dictionary Entries Near Einstein's photoelectric equation

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Einstein's photoelectric equation

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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 23 Jul. 2024.

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