Test # 57

We got there early so that we could get the best ________ in the sale before anyone else.

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  • Precautions while using X Rays

    Interaction with matter

    X rays interact with matter in three main ways, through photoabsorption, Compton scattering, and Rayleigh scattering. The strength of these interactions depend on the energy of the X rays and the elemental composition of the material, but not much on chemical properties since the X ray photon energy is much higher than chemical binding energies. Photoabsorption or photoelectric absorption is the dominant interaction mechanism in the soft X ray regime and for the lower hard X ray energies. At higher energies, Compton scattering dominates.

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