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Practice: Electron Diffraction and Microscopy

Which of the following statements about scanning tunneling electron microscopes, but not other types of electron microscopes, is true?

  • AElectrons scattered from the imaged object are used in image formation.
  • BThe internal structure of objects can be imaged.
  • CElectron diffraction is used in image formation.
  • DElectric, magnetic, and electromagnetic lenses are parts of the microscope.
  • EElectrons that pass from the imaged object to the microscope by quantum tunneling are used in image formation.

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