The graph provided shows the maximum kinetic energy of ejected electrons plottedagainst the frequency of the light shone on four different metals, A, B, C and D. What isthe unknown metal if light of wavelength 1.87 × 107 m shines on it and the maximumkinetic energy of the ejected electrons is 2.5 eV?(A)(В)metal A(D)7..metal Bmetal Cmetal D0.2 0.4 0.6 0.81.2 1.4 1.6 1.82.2 2.415Frequency (10° Hz)(BCDMaximum KE (eV) In a photoelectric effect experiment, light is shone on a metal surface. The graphbelow illustrates the maximum kinetic energy of ejected electrons versusfrequency of the incident light of the photons.12.Ekmax0 2 4 6 8 10Frequency (×101ª Hz)(i)Use the graph to determine a frequency at which the photoelectric effectwill not occur, and explain why it will not occur.(ii)Determine the work function of the metal.

Answered: Image /qna-images/answer/369630c8-681d-4f3e-aee2-22fbe056ab7a.jpg

The graph provided shows the maximum kinetic energy of ejected electrons plotted against the frequency of the light shone on four different metals, A, B, C and D. What is the unknown metal if light of wavelength 1.87 × 107 m shines on it and the maximum kinetic energy of the ejected electrons is 2.5 eV? (A) (В) metal A metal B metal C metal D 0.2 0.4 0.6 0.8 1.2 1.4 1.6 1.8 2 2.2 2.4 15 Frequency (10° Hz) (BCD Maximum KE (eV)

The graph provided shows the maximum kinetic energy of ejected electrons plotted against the frequency of the light shone on four different metals, A, B, C and D. What is the unknown metal if light of wavelength 1.87 × 107 m shines on it and the maximum kinetic energy of the ejected electrons is 2.5 eV? (A) (В) metal A metal B metal C metal D 0.2 0.4 0.6 0.8 1.2 1.4 1.6 1.8 2 2.2 2.4 15 Frequency (10° Hz) (BCD Maximum KE (eV)

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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