Lesson: Electron Diffraction and Microscopy Physics • Third Year of Secondary School

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In this lesson, we will learn how to describe electron beam diffraction, how it is used in electron microscopy, and how other forms of electron microscopy compare to it.

Lesson Plan

Students will be able to

combine the formulas for KE of an object and KE gain of a uniformly accelerated charge to find the velocity increase of a uniformly accelerated charge,
apply the formula to an electron with a calculated velocity to determine its wavelength,
describe qualitatively the changes to electron diffraction patterns resulting from changes of electron wavelength,
apply the formula where a relation between and the interatomic spacing of a crystalline structure is specified,
describe the functions of the components of a transmission electron microscope,
qualitatively compare the operation of transmission electron microscopes to other types of electron microscopes.