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Practice: Electron Diffraction and Microscopy

A particle accelerator accelerates electrons through a potential difference Δ𝑉=550V, as shown in the diagram. Find the wavelength of electrons as they exit the accelerator. Use a value of 1.60×10 C for the charge of electrons, a value of 9.11×10 kg for the mass of electrons, and a value of 6.63×10 J⋅s for the Planck constant.

  • A2.5×10 m
  • B1.0×10 m
  • C6.0×10 m
  • D5.2×10 m
  • E2.4×10 m

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