Question: The photoelectric work function is the minimum energy needed to eject an electron from a metal by irradiating it with light. Determine the speed of

The photoelectric work function is the minimum energy needed to eject an electron from a metal by irradiating it with light. Determine the speed of the ejected electron when light of wavelength 276 nm shines on a piece of magnesium metal? The work function for magnesium is 5.90 10-19 J and the mass of one electron is 9.1095 1031 kg.

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