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Photoelectric Effect

Photoelectric Effect

When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...

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Related Experiment Video

Updated: May 5, 2026

Gradient Echo Quantum Memory in Warm Atomic Vapor

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

Publisher Correction: Single-photon nonlinearity at room temperature

Anton V Zasedatelev^1,2, Anton V Baranikov^3,4, Denis Sannikov^3,4

¹Center for Photonics and Quantum Materials, Skolkovo Institute of Science and Technology, Moscow, Russia. a.zasedatelev@skoltech.ru.

|December 3, 2021

Summary

No abstract available in PubMed .

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