How to find out work function of a metal
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What is meant by work function of a metal?
In the photoelectric effect, the work function is the minimum amount of energy (per photon) needed to eject an electron from the surface of a metal
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The photoelectric equation involves; h = the Plank constant 6.63 x 10-34 J s. f = the frequency of the incident light in hertz (Hz) &phi = the work function in joules (J) Ek = the maximum kinetic energy of the emitted electrons in joules (J)
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