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UNIT G485 Module 4 X-Rays - St Ambrose College
www.st-ambrosecollege.org.ukUNIT G485 Module 4 5.4.1 X-Rays The X-ray photons are produced by two different processes : Speed of e.m. radiation in vacuo, c = 3.0 x 10 Characteristic X-rays-19 These X-ray photons have definite energies and they are produced when a