The work function for platinum is 6.35 eV. (a) Convert the value of the work function from electron volts to joules. 10.6*10**-* J (b) Find the cutoff frequency for platinum. 1.53*10**1 Hz (c) What maximum wavelength of light incident on platinum releases photoelectrons from the platinum's surface? 1.96*10**7 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. nm (d) If light of energy 8.98 eV is incident on platinum, what is the maximum kinetic energy of the ejected photoelectrons? Give the answer in electron volts. 2.68 eV (e) For photons of energy 8.98 eV, what stopping potential would be required to arrest the current of photoelectrons? 2.68 V
The work function for platinum is 6.35 eV. (a) Convert the value of the work function from electron volts to joules. 10.6*10**-* J (b) Find the cutoff frequency for platinum. 1.53*10**1 Hz (c) What maximum wavelength of light incident on platinum releases photoelectrons from the platinum's surface? 1.96*10**7 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. nm (d) If light of energy 8.98 eV is incident on platinum, what is the maximum kinetic energy of the ejected photoelectrons? Give the answer in electron volts. 2.68 eV (e) For photons of energy 8.98 eV, what stopping potential would be required to arrest the current of photoelectrons? 2.68 V
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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Transcribed Image Text:The work function for platinum is 6.35 eV.
(a) Convert the value of the work function from electron volts to joules.
10.6*10**-*
J
(b) Find the cutoff frequency for platinum.
1.53*10**1
Hz
(c) What maximum wavelength of light incident on platinum releases photoelectrons from the platinum's surface?
1.96*10**7 X
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step
carefully. nm
(d) If light of energy 8.98 eV is incident on platinum, what is the maximum kinetic energy of the ejected photoelectrons?
Give the answer in electron volts.
2.68
eV
(e) For photons of energy 8.98 eV, what stopping potential would be required to arrest the current of photoelectrons?
2.68
V
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