85 In about 1916, R. A. Millikan found the following stopping- potential data for lithium in his photoelectric experiments: Wavelength (nm) 433.9 404.7 Stopping potential (V) 365.0 312.5 253.5 0.55 0.73 1.09 1.67 2.57 Use these data to make a plot like Fig. 38-2 (which is for sodium) and then use the plot to find (a) the Planck constant and (b) the work function for lithium.

85 In about 1916, R. A. Millikan found the following stopping- potential data for lithium in his photoelectric experiments: Wavelength (nm) 433.9 404.7 Stopping potential (V) 365.0 312.5 253.5 0.55 0.73 1.09 1.67 2.57 Use these data to make a plot like Fig. 38-2 (which is for sodium) and then use the plot to find (a) the Planck constant and (b) the work function for lithium.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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