6. Tilly is peering into her 3D printer with her new laser of wavelength 400 nm when she notices that electrons are flying off a metal surface with a maximum kinetic energy of 1.0 x 1019 J. a) Calculate the frequency of the incoming light. b) Calculate the work function (binding energy) of the metal surface. c) Calculate the stopping potential for the emitted electrons. d) Calculate the momentum of an electron with the maximum kinetic energy.

6. Tilly is peering into her 3D printer with her new laser of wavelength 400 nm when she notices that electrons are flying off a metal surface with a maximum kinetic energy of 1.0 x 1019 J. a) Calculate the frequency of the incoming light. b) Calculate the work function (binding energy) of the metal surface. c) Calculate the stopping potential for the emitted electrons. d) Calculate the momentum of an electron with the maximum kinetic energy.

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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2. When light with a wavelength of 218 nm is incident on a certain metal surface, electrons are ejected with a maximum kinetic energy of 3.34 x 1019 J. Determine the wavelength of light that should be used to double the maximum kinetic energy of the electrons ejected from this surface. nm
Orange light with a wavelength of 6.00 x 10^2 nm is directed at a metallic surface with a workfunction of 1.60 eV. Determine the following:a. the maximum kinetic energy of the emitted electrons, in joules. b. the maximum speed of the emitted electrons. c. the potential required to stop these electrons.
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You set up a photoelectric experiment with an unknown metal to eject electrons. You use light of wavelength λ = 660 nm, which just BARELY ejects electrons from the metal. Planck s constant is either h = 6.63 x 10-34 J.s or h = 4.14 x 10-15 ev.s. a) What is the binding energy of the unknown metal in eV? eV b) You change the light source to one with a wavelength of λ = 300 nm. Using the binding energy you found in the previous step, find the maximum kinetic energy of an electron that is ejected from the metal in Joules. c) What is the stopping voltage for an electron with the kinetic energy you just found? Submit Answer
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