An electron microscope is using a 1.00-keV electron beam. An atom has a diameter of about 10-10 meters. What is the wavelength of electrons in this microscope? Express your answer in nanometers to three significant figures. ▸ View Available Hint(s) 195) ΑΣΦ
An electron microscope is using a 1.00-keV electron beam. An atom has a diameter of about 10-10 meters. What is the wavelength of electrons in this microscope? Express your answer in nanometers to three significant figures. ▸ View Available Hint(s) 195) ΑΣΦ
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:An electron microscope is using a 1.00-keV electron beam. An
atom has a diameter of about 10-10 meters.
Part A
What is the wavelength λ of electrons in this microscope?
Express your answer in nanometers to three significant figures.
► View Available Hint(s)
ΠΑΠ ΑΣΦ
λ =
Submit
Part B
yes
?
Can an individual atom theoretically be resolved using this electron microscope?
► View Available Hint(s)
no
nm
Transcribed Image Text:An electron microscope is using a 1.00-keV electron beam. An
atom has a diameter of about 10-10 meters.
Part B
Can an individual atom theoretically be resolved using this electron microscope?
► View Available Hint(s)
yes
no
Submit
Part C
Suppose we replace the electron beam with a proton beam. What proton energy is needed to achieve the same resolution as the electron beam in Part A?
Express your answer in electron volts to three significant digits.
► View Available Hint(s)
IVE ΑΣΦ
?
eV
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