A/What is the wavelength of an electron with a kinetic energy of 49.8 eV? (Possibly useful constants: h c = 1239.8 eV nm; rest energy of the electron: E oe = 511.0 keV.) B/What is the wavelength of an electron with a kinetic energy of 2.95 MeV? C/ What is the wavelength of an electron with a kinetic energy of 1.79 GeV? Correction: the electron kinetic energies are (a) 49.5 eV; (b) 2.80 MeV; (c) 1.70 GeV;

A/What is the wavelength of an electron with a kinetic energy of 49.8 eV? (Possibly useful constants: h c = 1239.8 eV nm; rest energy of the electron: E oe = 511.0 keV.) B/What is the wavelength of an electron with a kinetic energy of 2.95 MeV? C/ What is the wavelength of an electron with a kinetic energy of 1.79 GeV? Correction: the electron kinetic energies are (a) 49.5 eV; (b) 2.80 MeV; (c) 1.70 GeV;

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter6: Photons And Matter Waves

Section: Chapter Questions

Problem 111P: (a) What is the energy of an electron whose de Brogue wavelength is that of a photon of yellow light...

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