Introduction To Health Physics
5th Edition
ISBN: 9780071835275
Author: Johnson, Thomas E. (thomas Edward), Cember, Herman.
Publisher: Mcgraw-hill Education,
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Chapter 6, Problem 6.22P
To determine
The dose rate at the top of the container at 1 m over the center of the top
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Chapter 6 Solutions
Introduction To Health Physics
Ch. 6 - A 50-µC/kg (approximately 200 mR) pocket dosimeter...Ch. 6 - Prob. 6.2PCh. 6 - Prob. 6.3PCh. 6 - Prob. 6.4PCh. 6 - Prob. 6.5PCh. 6 - Prob. 6.6PCh. 6 - Prob. 6.7PCh. 6 - Prob. 6.8PCh. 6 - Prob. 6.9PCh. 6 - Prob. 6.10P
Ch. 6 - Prob. 6.11PCh. 6 - Prob. 6.12PCh. 6 - Prob. 6.13PCh. 6 - Prob. 6.14PCh. 6 - Prob. 6.15PCh. 6 - Prob. 6.16PCh. 6 - Prob. 6.17PCh. 6 - Prob. 6.19PCh. 6 - Prob. 6.20PCh. 6 - Calculate the average power density, in watts per...Ch. 6 - Prob. 6.22PCh. 6 - Prob. 6.23PCh. 6 - Prob. 6.24PCh. 6 - Prob. 6.26PCh. 6 - Prob. 6.27PCh. 6 - Prob. 6.28PCh. 6 - Prob. 6.29PCh. 6 - Prob. 6.33P
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- Calculate the exposure rate at 1.0 m from an unshielded 10 mCi of Cs137 source.arrow_forwardDefine the quantities of LET (Linear Energy Transfer), Exposure and Absorbed Dose?What is the absorbed dose (again in air) corresponding to irradiation of 20 milliroentgenin air?arrow_forwardIf a patient receives a dose with an activity of 37.5 mCi of technetium-99m for cardiac imaging, how much radioactivity will be left in the patient’s body 72 hours after injection?arrow_forward
- Suppose one food irradiation plant uses a 137 Cs source while another uses an equal activity of 60 Co . Assuming equal fractions of the γ rays from the sources are absorbed, why is more time needed to get the same dose using the 137 Cs source?arrow_forwardSuppose one load irradiation plant uses a 137Cs source while another uses an equal activity of 60Co. Assuming equal fractions of the (rays from the sources are absorbed, why is more time needed to get the same dose using me 137Cs source?arrow_forwardCalculate the dose in Sv to the chest at a patient given an xray under the following conditions. The xray beam intensity is 1.50 W/m2, the area of the chest exposed is 0.0750 m2 35.0% of the xrays are absorbed in 20.0 kg of tissue, and the exposure time is 0.250 s.arrow_forward
- 1. Lead shield that is 0.27 mm thick is equivalent to 1 HVL. How thick should the lead shield be if the radiation intensity is to be reduced to 12.5 % of its original values? 2. A worker at a reactor is composed to 20 mead of slow neutron whose RBE is 4. What is dose equivalent of this exposure? What precentage of his allowed annual dose equivalent did he received?arrow_forwardWhat is the effective dose received by the prostate gland for an external source in a case where the absorbed dose is 760 J/kg and the radiation is in the form of beta particles. The tissue weighting factor for prostate gland tissue is 0.05.arrow_forwardA particular radioactive source produces 100 mrad of 2-MeV gamma rays per hour at a distance of 1.0 m. (a) How long could a person stand at this distance before accumulating an intolerable dose of 1 rem? (b) Assuming the gamma radiation is emitted uniformly in all directions, at what distance would a person recieve a dose of 10 mrad/h from this source? dont provode hand written solutionarrow_forward
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