Statement of a problem № 11274


Multiple-Concept Example 9 reviews the concepts that are important in this problem. An electron, traveling at a speed of 6.00 x 107 m/s, strikes the target of an X-ray tube. Upon impact, the electron decelerates to one-quarter of its original speed, an X-ray photon being emitted in the process. What is the wavelength of the photon?

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