The following data gives stopping potential Vo versus wavelength for photoelectrons produced from a metal surface. (Be sure to include the correct units and use three significant figures.) Table 1 Vo (nm) (volts) 50 22.3 100 9.29 150 5,20 200 3.09 250 1.84 300 1.04 Use an analysis similar to that used in the inlab procedure to determine the work function (in ev) for this surface. (Use 1 ev = 1,602 x 10-19 ), e- 1.602 x 10-19 C, c = 2.998 x 10 m/s, and h= 6.626 x 10-34 -s= 4.136 x 10"15 ev -s as necessary.) X ev

The following data gives stopping potential Vo versus wavelength for photoelectrons produced from a metal surface. (Be sure to include the correct units and use three significant figures.) Table 1 Vo (nm) (volts) 50 22.3 100 9.29 150 5,20 200 3.09 250 1.84 300 1.04 Use an analysis similar to that used in the inlab procedure to determine the work function (in ev) for this surface. (Use 1 ev = 1,602 x 10-19 ), e- 1.602 x 10-19 C, c = 2.998 x 10 m/s, and h= 6.626 x 10-34 -s= 4.136 x 10"15 ev -s as necessary.) X ev

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter28: Quantum Physics

Section: Chapter Questions

Problem 15P

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