Characteristic X-Rays Can Be Produced by Bombarding Targets with Electrons

question 38

Multiple Choice

Characteristic x-rays can be produced by bombarding targets with electrons. These x-rays occur when

• A) electrons from higher shells fill the vacant lower shell
• B) electrons fill the vacant valence shell
• C) photons are emitted with energies on the order of 10³ eV
• D) photons are emitted with wavelengths on the order of 10³ nm

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