Principles of X-ray



X-rays are produced by high-energy electrons bombarding a target, especially targets that have a high proton number.

Bremsstrahlung radiation:

  • When bombarding electrons penetrate into the target, some electrons travel close to the nucleus due to the attraction of its positive charge
  • The course of these electrons would be deflected, and a portion of their kinetic energy would be lost.

Photoelectric effect:

  • Intermediate energy X-Ray
  • Innermost (K shell) electron pushed outside.

Compton effect:

  • High energy X-Ray
  • Outermost electrons are involved.

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