Published: Feb 2002

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    In the generation of X-rays with an X-ray tube, the minimum wavelength λmin that is produced is given by λmin=hc/eV where h=Planck's constant,6.6261×1034Js, c=speed of light,2.9979×108m/s, e=elementary charge,1.6022×1019C, and V=the tube voltage. Therefore, λmin=1240/Vnm The wavelength of maximum X-ray emission λpeak is approximately 3/2 times the minimum wavelength. That is, λpeak1860/Vnm Table 3.1 lists λmin and λpeak as functions of V.

    Committee/Subcommittee: E07.05

    DOI: 10.1520/MNL12040D

    CrossRef ASTM International is a member of CrossRef.

    ISBN13: 978-0-8031-2092-1