diffraction patterns of electrons
To understand how to find the wavelength and diffraction patterns of electrons.
An electron beam is incident on a single slit of width a
. The electron beam was generated using a potential difference of magnitude V
. After passing through the slit, the diffracted electrons are collected on a screen that is a distance L
 away from the slit. Assume that V
 is small enough so that the electrons are nonrelativistic. Ultimately, you will find the width of the central maximum for the diffraction pattern.
Â
What is the width of the central maximum on the screen? Assume that Î¸
 is small enough that you can use the approximation sin(θ)âtan(θ)âθ
, where Î¸ is measured in radians.
Express your answer in terms of , h, a, me, e, and V.
Answers
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Posted 08 May 2017 05:05 AM
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