What must scientists do when measuring the radioactivity of a source?
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: List down 5 uses of radioactivity.
A: One of the scientific characteristics of matter where the release of supersonic subatomic particles…
Q: A 1.61-cm panel of a certain material can absorb 85.3% of incoming rays from a radioactive source.…
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Q: The three most common forms of radiation caused by nuclear decay are
A: To rank: Penetration ability of alpha, beta and gamma
Q: A 1.13-cm panel of a certain material can absorb 86.5% of incoming rays from a radioactive source.…
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Q: A 73.0 kg person experiences a whole-body exposure to alpha radiation with an energy of 1.50 MeVMeV.…
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Q: A Geiger- Mueller counter registers an initial reading of 3200 counts while measuring a radioactive…
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Q: Although coal contains only minute quantities of radioactive materials, there is more radiation…
A: Coal power plants required more prevention of radioactive rays, instead of nuclear power plant. Most…
Q: Which of the following is a form of natural radioactivity that would be deflected by a magnetic…
A: Anything that contains charge will experience magnetic force when it passes magnetic field. X rays…
Q: Many medical PET scans use the isotope 18F , which has a half-life of 1.8 h . A sample prepared at…
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Q: ing on a Geiger counter at 155 cm from a radiation source was 7.620 x 10^3 counts per minute (cpm).…
A: Given:- The distance of the Geiger counter from radiation sourced = 155 cm The reading of the…
Q: Why is food irradiated with gamma rays from a Cobalt-60 source? Does the food become radioactive?…
A: There are mainly there ionizing radiation are used in food irradiation; X-ray, electron beams and…
Q: At a distance of 100cm, the exposure from a radioactive substance is measured at 450mR. What will…
A: Radioactive materials give off a form of energy that travels in waves or particles. This energy is…
Q: radiation lab orders 64 Ci of P-32. After 42.9 days the activity of the sample is 8.0 Ci. What is…
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Q: Question : A water solution of the Tc-99m radiotracer has an initial radioactivity of 2 mCi/ml. The…
A: Given, Half-life of Tc-99m is t12=6 hr. Initial activity, A∘=2 mCi/ml. Time of activity, T=12…
Q: What characteristics of a material will make it a better absorber of gamma rays?
A: The characteristics of material that will make it a good gamma absorber is high density and high…
Q: 15. An 85 kg person was exposed to a gamma source and received a whole body dose of 0.5 Sv. How much…
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Q: A person working with several nuclear isotope separation processes for a two-month period receives a…
A: In the given question , We have to determine the total effective dose in rem.
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: A radioactive source, which emits beta-particles, is used as shown in Fig. 12.1 to detect whether…
A: The image containing other parts is not clear. Therefore only part a is explained. (a) Introduction:…
Q: Two common units for measuring radioactivity are the Becquerel and the curie. Why are these names…
A: Radioactivity is the phenomenon when a large nucleus splits into a small nucleus.
Q: A patient has 10% as much radioactivity as they had 4 days ago when a radioisotope was administered.…
A: The amount of radioactivity remaining after a given time: Nt=N0×12n where Nt = activity at time t…
Q: Which is a factor in determining the amount of radiation exposure a person takes from a source?
A: The human gets exposure to the radiation by the radiation emitted by the nuclear power generation…
Q: The counting rate from a radioactive source is 4000 counts per second at time t=0. After 10 seconds,…
A: We know that activity is N=N0e-λt and T1/2=ln2λ=0.693λ Using the above formula the problem can be…
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: 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: what type of radioactive source would you use to treat deep-seated brain tumors-alpha , beta, or…
A: To explain : The type of radioactive source used to treat deep-seated brain tumors
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 73.0 kg person experiences a whole-body exposure to alpha radiation with energy of 1.50 MeVMeV. A…
A: Given problem is based on the dosimetry. Absorbed dose is defined as, the amount of energy deposited…
Q: The intensity of radioactivity depends on the distance of the recipient from the source of radiation…
A: Given that Intensity is inversely proportional to the distance from the object. so I1 DIRECTLY…
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: A building has become accidentally contaminated with radioactivity. The longest-lived material in…
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Q: What are the types of Radioactivity?
A: There are three types of radioactivity and they are: Alpha decay: An alpha particle is a helium…
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: You suspect that a patient’s arm is broken. What type of radiation might help you find out
A: To explain : The radiation used to check if patient's arm is broken
Q: building has become accidentally contaminated with radioactivity. The longest-lived material in the…
A: Answer is 1685.2 years
What must scientists do when measuring the radioactivity of a source?
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