photoelectric work function

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photoelectric work function

physics

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electromagnetic phenomena

In radiation: The photoelectric effect
…letter psi, ψ, called the photoelectric work function of the surface, must be supplied before the electron can be ejected. When a quantum of energy is greater than the work function, photoelectric emission is possible with the maximum energy symbolized by the Greek letter epsilon, ε, of the photoelectron (ε_max)…
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electronic work function

In electronic work function
…is struck by light (photoelectric work function). Typical values for metals range from two to five electron volts.
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