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Electron Diffraction

Electron Diffraction

Product Details:


Product Description


Whena polycrystalline graphite foil is illuminated by electron, it is diffracted bythe various lattice plane within the crystal. This wave property of electronthus proves the de-Broglie's principle i.e. electrons are waves. In thefluorescent screen, the diffraction pattern is observed around a central brightspot. The diffraction patterns formed here satisfy Braggs law.


  • Measuringthe diameters of the two diffraction rings for different accelerator voltages.
  • Determiningthe wavelength of the electrons for different accelerator voltages by applyingthe Bragg condition.
  • Confirmingthe de Broglie equation for the wavelength.


  • ElectronDiffraction Tube with built-in graphite foil and fluorescent screen.
  • AdjustableAnode voltage from 0V to 5000V range.
  • DiffractionPatterns are noticed in fluorescent screen.


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