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Slide 21

    TEXT VERSION OF SLIDE:

    Title: X-rays and Gamma Radiation
    Type: Text Slide
    • Gamma rays typically have higher energy (Mev's) than X-rays (KeV's), but both are unlimited.
    • No mass; Charge=0; Speed = C; Long range (km in air, m in body); Light damage (QF=1);
    • An external hazard (>70 KeV penetrates tissue); Usually shielded with lead or concrete.