What is the minimum frequency of light needed to eject electrons from the following metals in the photoelectric effect? The work functions given are in “electron-volts (eV),” which are a unit of energy equal to 1.602×10^19J. •Silver (4.6 eV) •Platinum (5.6 eV) •Potassium (2.3 eV)
What is the minimum frequency of light needed to eject electrons from the following metals
in the photoelectric effect? The work functions given are in “electron-volts (eV),” which are a unit of energy equal to 1.602×10^19J.
•Silver (4.6 eV)
•Platinum (5.6 eV)
•Potassium (2.3 eV)
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