Answered: In order to decrease the wavelength of…

In order to decrease the wavelength of an electron by a factor of two, the accelerating potential needs to be changed by: 4 B) 1/2 1/4

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter29: Introduction To Quantum Physics

Section: Chapter Questions

Problem 56PE: What is the wavelength of an electron accelerated through a 30.0-kV potential, as in a TV tube?

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Concept explainers

de Broglie Equation

The sketch of matter waves is drawn below:

Question

In order to decrease the wavelength of an electron by a factor of two, the accelerating potential needs to be changed by:
A) 4
1/2
1/4

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