The incident electron loses energythe incident electron, Ask an Expert

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In an x-ray machine, electrons are accelerated and then fired so that they are incident on a metal target. Which part of the process produces the characteristic x-ray spectra?

a. The incident electron loses energy.

b. The incident electron knocks an electron out of one of the metal atoms.

c. A vacancy in an energy level in a metal atom is filled.

d. The incident electron emits an x-ray.

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