Electron diffraction tube

LD 555626
Electron diffraction tube
Electron diffraction tube

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Description

For demonstrating the wave nature of electrons by diffraction on a polycrystalline graphite grid (Debye-Scherrer interference) and observing the interference rings on the phosphorescent screen, confirmation of the de Broglie equation by determining the wavelength at different anode voltages. Includes magnet for alignment. For fitting onto tube stand (555 600).

Technical data

  • Electron gun: connection via tube stand
  • Filament (direct): 6.3 V/ 1.5 A
  • Anode voltage: 2.5 ... 5 kV
  • Distance between lattice planes in the graphite: 123 pm, 213 pm
  • Distance between graphite grid and screen: 13.5 cm
  • Diameter of screen: 90 mm
  • Diameter of glass bulb: 90 mm
  • Overall length: 270 mm

Additionally required

1 52170  8  High-voltage power supply, 10 kV LD
1 555600  4  Tube stand LD
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