1. Name three advantages of in-situ tests and two disadvantages compared to laboratory tests. 2. Name two advantages of the SPT test over the CPT test.
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A: Given that:- Q=500 μSv=500×10-6 SvR=100 nSv/hr=100×10-9 Sv/hrt=?
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A: Using the given data, dpmsource=0.038 μCi2220000 dpm1 μCi=84360 dpm
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Q: 5.1 A sample of the isotope 1311, with a half-life of 8.04 days, has an activity of 10 mCi at the…
A: Given , half-life of I131 = 8.04 days Activity = 10mCi Upon receipt of I131 in medical laboratory ,…
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A: r=50 cm and D = 0.80cm
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A: Counting rate is inversely proportional to the square of the distance to the source
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Q: The half-life of l-137 is 8.07 days. If 25 grams are left after 40.35 days, how many grams were in…
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A: The fill ups can be written as,
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Q: f a vial contains 600 MBq of indium-111 (In-111) at 12:30 (14 June 2014), how much radioactivity…
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Q: 38. A patient receives an x-ray dose of 200 mGy, a 20-keV neutron dose of 70 mGy, and a proton dose…
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Q: The C14 with an activity of 10 Ci is in a 1.0 mm thick lead box. Calculate the number of beta…
A: C14 has an activity of 10 Curie1 curie is defined as 3.7×1010 decays/sSo, 10×3.7×1010=37×101037×1010…
Q: A radioactive sample is analyzed to give a total of 4000 counts; background gives 250. How many…
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Q: 1. Find the radiation dose, in grays, for each of the following a. A 5.5-mSv fluoroscopic x-ray…
A: Given: SV=5.5 mSV RBE=1 SV=45 mSV RBE=20
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Q: You find a 37.2 g fossilized bone that has an activity of 0.024 counts per second. How old is the…
A: A living matter has 1.3×10-10 % of C-14, and the half-life of C-14 is 5730 years. Thus, determine…
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