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1) The de Broglie wavelength of an electron has to do with spatial resolution of an electron microscope, which is often expressed in the unit of length A (Angstrom). Calculate the de Broglie wavelength of an electron in A when the electron is accelerated from rest through a potential difference of: a) 2 kV (a low resolution setting of microscope), b) 200 kV (high resolution). Use the fact that 1 V potential difference causes an electron to gain kinetic energy of 1 electron Volt (eV).

1) The de Broglie wavelength of an electron has to do with spatial resolution of an electron microscope, which is often expressed in the unit of length A (Angstrom). Calculate the de Broglie wavelength of an electron in A when the electron is accelerated from rest through a potential difference of: a) 2 kV (a low resolution setting of microscope), b) 200 kV (high resolution). Use the fact that 1 V potential difference causes an electron to gain kinetic energy of 1 electron Volt (eV).

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter4: Introduction To Quantum Mechanics
Section: Chapter Questions
Problem 17P: In a FranckHertz experiment on sodium atoms, the first excitation threshold occurs at 2.103 eV....
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1) The de Broglie wavelength of an electron has to do with spatial resolution of an electron microscope, which is often expressed in the unit of length A (Angstrom). Calculate the de Broglie wavelength of an electron in A when the electron through a potential difference of: a) 2 kV (a low resolution setting of microscope), b) 200 kV (high resolution). accelerated from rest Use the fact that 1 V potential difference causes an electron to gain kinetic energy of 1 electron Volt (eV).
Transcribed Image Text:1) The de Broglie wavelength of an electron has to do with spatial resolution of an electron microscope, which is often expressed in the unit of length A (Angstrom). Calculate the de Broglie wavelength of an electron in A when the electron through a potential difference of: a) 2 kV (a low resolution setting of microscope), b) 200 kV (high resolution). accelerated from rest Use the fact that 1 V potential difference causes an electron to gain kinetic energy of 1 electron Volt (eV).
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