Electron Diffraction Tube

To demonstrate the wave nature of electrons by diffraction on a polycrystalline graphite grid (Debye-Scherrer interference), observation of the interference rings on the light screen, confirmation of the de Broglie equation by determining the wavelength at different anode voltages, includes magnet for alignment, fastening on the tube stand (555 600).

 

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

Additionally required

555 600 Tube stand 1

521 70 High-voltage power supply 10 kV 1