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Unformatted text preview: e) all of the above and more 4. The traditional unit of radiation exposure, the Roentgen is a measure of: a) radiation dose to tissue b) charge liberated in air c) radiation flux through a material d) power density 5. Particles in motion can be considered using Newtonian or relativistic methods. At what velocity should the more general relativistic models be used. a) 0.1c b) 0.25c EEE498 Health Physics Principles Spring 2012 c) 0.5c d) >0.7c 6. Compute the mass of an electron moving at 50% of the speed of light. See Example 2.1 7. An x-ray tube set at 100kVp and a 200mA electron beam has an electron flow rate of:...
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- Spring '08
- Electron, 50%, Ionizing radiation, Health Physics Principles