Photoelectric effect

  • Thread starter JRHawking
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About a week ago in class, I was learning about the photoelectric effect. My teacher described it as the emission of electrons as a consequence of their absorption of energy from electromagnetic radiation, etc, but later on I had a doubt:
I know there's minimum frequency, for a given metal, the incident light must have in order for electrons to be emitted from matter, but would this threshold frequency decrease, if the metal's particles were vibrating, prior to the radiation of light - by heating it, for instance ?
 

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