Answered: Cesium has a work function of 2.14 eV.…

Cesium has a work function of 2.14 eV. What is the wavelength (nm) of a photon with the threshold energy to release an electron from the metal (with no kinetic energy)? [?] nm

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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Concept explainers

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways:

Question

Cesium has a work function of 2.14 eV. What
is the wavelength (nm) of a photon with the
threshold energy to release an electron from
the metal (with no kinetic energy)?
[?] nm
Hints: h = 6.63x10-34 J-s
1.00 eV 1.60×10-19 J
=
Enter

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