Characteristic X-rays in a tungsten target involve electron transitions to which shell?

Prepare for the General Core of Radiography – Limited Scope Test with interactive flashcards and multiple-choice queries. Each question features hints and clarifications, setting you up for success on your exam journey!

Multiple Choice

Characteristic X-rays in a tungsten target involve electron transitions to which shell?

Explanation:
Characteristic X-rays occur when a vacancy is left in the atom’s innermost shell and an electron from a higher shell fills it, emitting a photon with energy equal to the difference in binding energies. In tungsten, the most prominent transitions involve moving into the innermost shell, the K-shell, from higher shells such as the L or M shells. The emitted photons from these transitions constitute the K-series lines (K-alpha from L to K, K-beta from M to K). So the electron transitions are into the K-shell.

Characteristic X-rays occur when a vacancy is left in the atom’s innermost shell and an electron from a higher shell fills it, emitting a photon with energy equal to the difference in binding energies. In tungsten, the most prominent transitions involve moving into the innermost shell, the K-shell, from higher shells such as the L or M shells. The emitted photons from these transitions constitute the K-series lines (K-alpha from L to K, K-beta from M to K). So the electron transitions are into the K-shell.

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