(6%) Problem 5: In a photoelectric effect experiment you illuminate a metal with light of an unknown wavelength and measure the maximum kinetic energy of the photoelectrons to be 0.65 eV. Then you illuminate the same metal with light of a wavelength known to be 2/3 of the first wavelength and measure a maximum kinetic energy of 2.2 eV for the photoelectrons. 50% Part (a) Find the first wavelength, in nanometers Grade Sama Deductions Potential Sabmbsions 7 9 tan) cos0 sin) Attempts rem (55% per atter detailed vie 4 E 5 6 acos0 asin) cotan) 3 1 sinh) acotan) atan0 0 cotanh) tanh0 cosh) NO DegreesRadians I give up! Hint Submit Feedback: 0 deductioe per feedback deduction per hint Hints remaining Hints: 0 & 50% Part (b) Find the metal's work function, in electron volts.

(6%) Problem 5: In a photoelectric effect experiment you illuminate a metal with light of an unknown wavelength and measure the maximum kinetic energy of the photoelectrons to be 0.65 eV. Then you illuminate the same metal with light of a wavelength known to be 2/3 of the first wavelength and measure a maximum kinetic energy of 2.2 eV for the photoelectrons. 50% Part (a) Find the first wavelength, in nanometers Grade Sama Deductions Potential Sabmbsions 7 9 tan) cos0 sin) Attempts rem (55% per atter detailed vie 4 E 5 6 acos0 asin) cotan) 3 1 sinh) acotan) atan0 0 cotanh) tanh0 cosh) NO DegreesRadians I give up! Hint Submit Feedback: 0 deductioe per feedback deduction per hint Hints remaining Hints: 0 & 50% Part (b) Find the metal's work function, in electron volts.

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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