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8.5 Exercise 13

Avg difficulty 2.5

X-rays are produced by striking a target with a beam of electrons. Prior to striking the target, the electrons are accelerated by an electric field through a potential energy difference:

ΔU=−eΔV,\Delta U = − e \Delta V ,

where e is the charge of an electron and ΔV\Delta V is the voltage difference. If ΔV=15,000\Delta V = 15,000 volts, what is the minimum wavelength of the emitted radiation?

OpenStax University Physics Volume 3, 8.5 Atomic Spectra and X-rays, exercise 13

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Adapted from University Physics Volume 3 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 3. Imported at revision db44eb9.