Answered: The mass of an electron is 9.11 10-31…

The mass of an electron is 9.11 10-31 kg. A.) If the wavelength of an electron is 5.02 10-7 m, how fast is it moving? B.) If an electron has a speed equal to 4.30 106 m/s, what is its wavelength

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter27: Quantum Physics

Section: Chapter Questions

Problem 29P

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de Broglie Equation

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Question

The mass of an electron is 9.11  10^-31 kg.

A.) If the wavelength of an electron is 5.02  10^-7 m, how fast is it moving?


B.) If an electron has a speed equal to 4.30  10⁶ m/s, what is its wavelength?

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