The following data were observed in an experiment on the photoelectric effect from potassium: Graphically evaluate these
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Graphically evaluate these data to obtain values for the work function and Plancks constant.
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1019 Kinetic Energy (J) 4.49 1.89 3.09 1.34 0.700 0.311 Wavelength (nm) 250. 300. 450. 350. 400. 500.
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