Do you think that environmental condrtions such as temperature, pressure etc. Have some effects on radioactivity? Explain
Q: What is radiation dose unit? What is the value of 1 rad?
A: The units used to measure radiation dose include rad, Gray, rem or roentgen, Sievert. Equivalent…
Q: D. 0.00 MIN A. 0.6 mR/hr B. 3 mR/hr C. 75 mR/hr D. 375 mR/hr 2. If the exposure rate at 10 m from a…
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Q: considered to be reduced to a safe level after 10 half-lives have elapsed. (Obviously, the initial…
A: Radioactivity from a particular radioisotope is considered to be reduced to a safe level after 10…
Q: The three most common forms of radiation caused by nuclear decay are
A: To rank: Penetration ability of alpha, beta and gamma
Q: Give three (3) examples of uses of Radioactivity (for example, in medicine, agriculture industry,…
A: Objective: To determine the three examples of uses of radioactivity.
Q: 131 I is given to a patient for use in a diagnostic procedure on her thyroid. Part A What percentage…
A: We know that, half life of iodine is approximately 8 days. So, T1/2 = 8 days. Now, T1/2 = 0.693λ or,…
Q: What size disinfection chamber will be needed to achieve a 3 log disinfection of viruses, using…
A: 3 log reduction means 99.9% reduction of bacteria. Let the initial bacteria present be x. After 3…
Q: (c). You have been hired by a company interested in establishing a radioisotope production plant in…
A: There are many useful advantage of radiousotopes. Nuclear energy can be yses in many fields. The…
Q: Q10: Using a nuclear counter the count rate of emitted particles from a radioactive source is…
A: Given value--- at t = 0 , count rate = 1600 count/s. after 6 second , count rate = 100 count/s. We…
Q: a general rule, the radioactivity from a particular radioisotope is considered to be reduced to a…
A: Radioactivity from a particular radioisotope is considered to be reduced to a safe level after 10…
Q: What would account for the similarities/differences in initial penetrating ability of alpha (e.g…
A: Alpha emission : If the unstable nucleus has much higher number of neutrons (n) than the number…
Q: You go to the doctor and he gives you 13 milligrams of radioactive dye. After 24 minutes, 7.75…
A: Given, An initial dose of the dye, N0=13mg After 24 minutes 7.75mg of the dye remains.…
Q: 10. If the linear attenuation coefficient in lead for the gamma rays from an isotope is 0.625 cm-1.…
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Q: A Geiger counter registerss a count rate of 6,800 counts per minute from a sample of a radioisotope.…
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Q: If meat is irradiated with 2523.0 Gy of x-rays, most of the bacteria are killed and the shelf life…
A: Mass of substance is Heat energy used for mass is Specific heat capacity of water is Find:The…
Q: It’s possible that a bone tumor will not show up on an x-ray image but will show up in a gamma scan.…
A: Bone tumor
Q: NASA and DOE selected three design concept proposals in June 2022 for a fission surface power system…
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Q: Lead shield that is 0.27 mm thick is equivalent to 1 HVL. How thick should the lead shield be if the…
A: Lambert's law states that the intensity of the radiation (I) falls exponentially as the thickness…
Q: Calculate the radiation dosage and grace for a 57-kg person Who is exposed for 8.0 as to a 3.0 Ci…
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Q: Regarding E.M radiation, what does the Sun, the Earth, you, and a chunk of coal have in common?…
A: Electromagnetic (EM) radiation: EM radiation is a form of energy that is released in the form of…
Q: Explain why 231-Th-90 is likely to be a beta minus emitter
A: Why 231-Th-90 is likely to be a beta minus emitter.
Q: Hey certain radioactive isotope has a half-life of 90 days. How long will it take for the radiation…
A: Given value--- half life time = 90 days. We have to find--- How long will it take for the…
Q: For a fusion reaction, at which temperature T do you expect the optimal reaction rate to…
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Q: A man has been exposed to 1 mGy each of alpha, beta and gamma radiation from a source outside his…
A: Given, Absorbed dose, Hb=1mGy The radiation weighting factor for, Alpha particle, Wα=20 Beta…
Q: You go to the doctor and he gives you 11.2 milligrams of radioactive dye. After 14.5 minutes, 8.98…
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Q: Calculate the effective radiation dosage (in Sieverts) for a 63-kg person who is exposed to 4.3 x…
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Q: 5. Explain how you might use radioactive Fe-59 (a beta emitter with t1/2=44.5 days) to determine the…
A: The nucleus of heavier particles is unstable. This is because of more number of protons which…
Q: d). A nuclear physicist works in a lab 5 days per week. He set his timing from 9AM to 3PM in first…
A: With regard to time, radiation exposure has a linear relationship, which means that the more time…
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: a) in ten days the radioactivity of cerium-141 is reduced by 19.3%. what is the half time?(-…
A: What is the half life of cerium-141?given,Radioactivity decreases by 19.3%time(t)=10 days=8.64×105 s
Q: A certain radioactive substance has a half-life of 38 hr. Find how long it takes for 90% of the…
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Q: What is the SI unit for radiation dose? What is its value in J/kg and rad?
A: The full form of the SI unit is the International System of Units. The SI unit is the system of…
Q: Distinguish between the effects radiation can have on a general body cell (somatic) and cells that…
A: Radiation can have different effects on total body cells (somatic cells) and cells that make up the…
Q: photons into 10
A: The photon energy is given as, E=hcλE=6.626×10-24 ×3×108 J0.025×10-9
Q: There are an alpha, beta and gamma particles that you all need to use only once. One of them can be…
A: To get the answer, we need to understand the terms what are Alpha, Beta, and Gamma particles.…
Q: Calculate the effective radiation dosage (in Sieverts) for a 81-kg person who is exposed to 1.9 x…
A: Given: The weight of the person is 81 kg. The number of alpha particle radiation that the…
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