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Question

In an x-ray tube, if the energy with which the electrons strike the metal target is increased, the wavelengths of the characteristic x-rays do not change. Why not?

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Answered 2 years ago
Answered 2 years ago
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Concept

  • X rays spectrum consists of continuous part and discrete lines superposed on it.
  • The minimum wavelength (or the maximum energy) of the photons of continuous part depends on the kinetic energy of incident electrons. Maximum energy of the photons of continuous part of the spectrum is equal to kinetic energy of the incident electrons on metal target.

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