Calculate the speed of the electrons emitted

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Reference no: EM13697933

Question: Ultraviolet radiation of wavelength 121 nm is used to irradiate a sample of potassium metal. The work function of potassium is 2.25 eV.

Part A: Calculate the speed of the electrons emitted through the photoelectric effect ( Ã= 106 m s^-1).

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Reference no: EM13697933

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