Absorption of X-rays

Продукт No: P2541101


The polychromatic X-radiation that is emitted by an X-ray tube is filtered in terms of its energy with the aid of a monocrystal. The resulting monochromatic radiation is used as the primary radiation source for examining the absorption behaviour of various metal foils of different thicknesses.


  1. Determine the attenuation of the X-radiation by aluminium and zinc foils of different thicknesses and at two different wavelengths of the primary radiation.
  2. Determine the mass absorption coefficient μ / ρ for aluminium, zinc and tin absorbers of constant thickness as a function of the wavelength of the primary radiation. Prove the validity of μ /ρ = f (λ3 ) in a graphical manner.
  3. Determine the absorption coefficients µ for copper and nickel as a function of the wavelength of the primary radiation. Determine the energy values of the corresponding K shells based on the graphical representation. Prove the validity of μ /ρ = f (λ3 ).

What you can learn about

  • Bremsstrahlung
  • Characteristic radiation
  • Bragg scattering
  • Law of absorption
  • Mass absorption coefficient
  • Absorption edge
  • Half value thickness
  • Photoelectric effect
  • Compton scattering
  • Pair production

Supplied with software. Computer not provided.

Перечень материалов (вы́писка) Продукт Количество
XR 4.0 expert unit, X-ray unit, 35 kV 09057-99 1
XR 4.0 X-ray Plug-in Cu tube 09057-51 1
XR 4.0 X-ray goniometer 09057-10 1
XR 4.0 Software measure X-ray 14414-61 1
Geiger-Mueller counter tube, type B, BNC cable 50 cm 09005-00 1
XR 4.0 X-ray LiF crystal, mounted 09056-05 1
XR 4.0 X-ray Absorption set for X-rays 09056-02 1
XR 4.0 X-ray Diaphragm tube d = 2 mm 09057-02 1
Data cable USB, plug type A/B, 1.8 m 14608-00 1

Литература по данной статье

Название Продукт Язык
Handbuch Lehrerversuche mit Röntgenstrahlung für die XR 4.0 expert unit, TESS expert Physik 01200-01 DEU
TESS expert Physics Handbook X-ray Experiments for XR 4.0 expert unit 01200-02 ENG
XRP 4.0 X-ray Festkörper Erweiterungsset 09120-88
XRC 4.0 X-ray Charakterisierung Erweiterungsset 09130-88
TESS expert Handbook Laboratory Experiments Physics 16502-32 ENG

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Продукт No: P2541101

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