Physique du Rayon-X

 
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Caractéristiques du tube compteur

Principle

The counter tube uses the ionising effect of high-energy radiation in order to measure the intensity of the radiation. The counter tube characteristics describe its working range, i.e. the voltage range in which it reliably counts the incoming particles.

Tasks

Determine ...

 
Détails

Numéro d´article: P2540010

Radiographie d'un objet

Principle

An X-ray tube produces X-rays that cause a fluorescent screen to emit light. Objects that are located between the X-ray source and the fluorescent screen will be irradiated so that their inner structure becomes visible. If one varies the anode current and voltage, the change in ...

 
Détails

Numéro d´article: P2540020

Examen qualitatif de l'absorption des rayons X

Principle

X-rays penetrate objects that are impenetrable for visible light. The absorption depends on the thickness and type of the material. This dependence is demonstrated in a qualitative manner on a fluorescent screen with the aid of various different absorption ...

 
Détails

Numéro d´article: P2540030

Effet ionisant de rayonnement X

Principle

As well as the outgoing radiation from a radioactive emitter is able to ionize air, so also X-radiation shows an ionizing effect. When air is penetrated by X-radiation, it is electrically conductive. This is tested on a charged electroscope.

Tasks

  1. Illustrate the ...
 
Détails

Numéro d´article: P2540040

Caractéristique du rayonnement X du cuivre

Principle

Spectra of X-rays from a copper anode are analyzed using different monocrystals and the results plotted graphically. The energies of the characteristic lines are then determined from the positions of the glancing angles for the various ...

 
Détails

Numéro d´article: P2540101

Caractéristique du rayonnement X du molybdène

Principle

Spectra of X-rays from a molybdenum anode are to be analyzed by means of different monocrystals and the results plotted graphically. The energies of the characteristic lines are then to be determined from the positions of the glancing angles for the various orders of ...

 
Détails

Numéro d´article: P2540201

Caractéristique du rayonnement X du fer

Principle

Spectra of X-rays from an iron anode are to be analyzed by means of different monocrystals and the results plotted graphically. The energies of the characteristic lines are then to be determined from the positions of the glancing angles for the various orders of ...

 
Détails

Numéro d´article: P2540301

Détermination de l'intensité d'un rayonnement x caractéristique en fonction du courant et de la tension anodique

Principle

The polychromatic X-radiation from a copper anode is analyzed using a LiF monocrystal according to Bragg. Varying the anode current and anode voltage influences the intensity of the characteristic K a and K b radiation.

Tasks

  1. Record the intensity spectrum of ...
 
Détails

Numéro d´article: P2540401

Monochromatisation des rayons X du molybdène

Principle

The X-rays that are generated by an X-ray tube are polychromatic. Numerous experiments (e.g. Debye-Scherrer experiments concerning crystal structures), however, require monochromatic X-radiation, which can be generated by filtering the X-rays with monocrystals or with the aid of ...

 
Détails

Numéro d´article: P2540501

Monochromatisation des rayons X du cuivre



Principle

The X-rays that are generated by an X-ray tube are polychromatic. Numerous experiments (e.g. Debye-Scherrer experiments concerning crystal structures), however, require monochromatic X-radiation, which can be generated by filtering the X-rays with monocrystals or ...

 
Détails

Numéro d´article: P2540601

Séparation du doublet K-Alpha du molybdène - structure fine

Principle

The polychromatic molybdenum X-ray spectrum is analyzed by means of a monocrystal. The energy of the characteristic lines is determined from the positions of the glancing angles at various orders of diffraction. The separation of the K a doublet in higher order diffraction is ...

 
Détails

Numéro d´article: P2540701

Séparation du doublet K-Alpha du fer - structure fine

Principle

The polychromatic iron X-ray spectrum is to analyzed by means of a monocrystal. The energy of the characteristic lines is to be determined from the positions of the glancing angles for various orders of diffraction. The separation of the Ka doublet in higher order diffraction is ...

 
Détails

Numéro d´article: P2540801

Loi de déplacement de Duane-Hunt et détermination de la constante de Planck

Principle

X-ray spectra are recorded as a function of the anode voltage. The short wavelength limit of the bremsspectrum is used to determine the agreement with the Duane-Hunt displacement law, and to determine Planck's "quantum of action".

Tasks

  1. Record the intensity of the X-rays ...
 
Détails

Numéro d´article: P2540901

Rayonnement X caractéristiques de différentes anodes - loide Moseley / fréquence de Rydberg et constante d'écran

Principle

Moseley's law describes the relationship between the energy of the Ka lines of characteristic X-ray spectra and the atomic number. In this experiment, the characteristic X-ray lines of various different anode materials are determined in order to verify Moseley's ...

 
Détails

Numéro d´article: P2541001

Absorption des rayons X

Principe de l'expérience

L'énergie d'un Rayonnement-X polychromatique sera analysée à l'aide d'un monocristal analyseur. Le rayonnement monochromatique obtenu servira de source principale de rayonnement pour l'examen du comportement d'absorption de différents ...

 
Détails

Numéro d´article: P2541101

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