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17 Cards in this Set
- Front
- Back
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measure of the biologically significant effects produced by ionizing radiation
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absorbed dose
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SI unit for absorbed dose is
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gray
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1 rad equals ? ergs
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100
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1 Gy equalys ? rads
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100
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what is kerma
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kinetic energy released in the medium
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what is dE(tr)
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the sum of the initital kinetic energies of all the charged ionizing particles liberated by un charged particles
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what is the unit for kerma
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Gy
rad |
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a major part of the initial kinetic energy of electrons in low atomic number materials is
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expended by inelastic collisions with atomic electrons
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exposure is the ionization equivalent of
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the collision kerma in air
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what energy is required to produce an ion pair in dry air
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33.97 eV/ion pair
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1 eV = how many joules
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1.602 x 10^-19
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what is the SI unit for exposure? special unit?
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C/kg
roentgen |
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kerma is ______ as the surface and _______ with depth
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maximum
decreases |
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the value of B varies with
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energy
not medium |
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a fixed value of B is
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1.005
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what is the roentgen to rad conversion factor for air
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.876
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energy loss by electrons per unit path length of a material
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stopping power
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