7.2 When an electron is accelerated through a potential dif- ference A it acquires a kinetic energy eдo. Calculate the mo- mentum, and hence the de Broglie wavelength, of an electron accelerated from rest through (a) 1.00 V, (b) 1.00 kV, (c) 100 kV.

7.2 When an electron is accelerated through a potential dif- ference A it acquires a kinetic energy eдo. Calculate the mo- mentum, and hence the de Broglie wavelength, of an electron accelerated from rest through (a) 1.00 V, (b) 1.00 kV, (c) 100 kV.

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

Chapter5: Quantum Mechanics And Atomic Structure

Section: Chapter Questions

Problem 5P: Estimate the probability of finding an electron which is excited into the 2s orbital of the H atom,...

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Question

7.2

Before solving the problem please also give a brief explanation of the concept or associated equation(s) and variables.

(Believe answer should be 8.226 x 10^-19J)

7.2 When an electron is accelerated through a potential dif-
ference A it acquires a kinetic energy eдo. Calculate the mo-
mentum, and hence the de Broglie wavelength, of an electron
accelerated from rest through (a) 1.00 V, (b) 1.00 kV, (c) 100 kV.

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