Which one of the following diagnostic imaging technique produce two- dimensional images using radon transforms of multiple x-ray scans?
Q: ny radioactive dating method is used, experimental error in the measurement of the sample's activity…
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Q: What is the activity of a 20 ng sample of 92Kr, which has a half-life of 1.84 s?
A: In 92gm of 92Kr, will contain 6.02×1023 atoms of 92Kr.
Q: A pure carbon archaeological artefact has an age of 20000 years and an activity of 6 counts/min.…
A: The objective of the question is to find the activity of a pure carbon archaeological artefact at…
Q: The isotope Np-238 has a halflife of 2.0 days. If 96 were present on Monday, how much will remain…
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Q: If the parent nucleus in a ß* decay is CI, what is the daughter nucleus? 17 Help chemPad XX Greek:…
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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: What patterns and insights are gained from an examination of the binding energy of various nuclides?
A: Binding energy is the amount of energy needed to detach a particle from a particle system or to…
Q: Example (3): 0.2 gram of pure potassium 40 (4®K) emit about 105 beta rays per second .Estimate its…
A: GivenMass of potassium is m=0.2 gramAvogradro numberb NA=6.02×1023 atom.mol-1Molecular weight is…
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: The age of the Dead Sea Scrolls was found by carbon dating. Could this technique apply if they were…
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Q: The isotopes of U8 and U5 occur in nature in the ratio 140 : 1. Assuming that at the time of earth's…
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Q: What a nucleus of 218-84 Po emits an alpha particle, what are the atomic number of and the atomic…
A: When a nucleus of an element emits an alpha particle, the element losses the two neutrons and two…
Q: The half-life of radon-222 is about 3.823 days. (a) Determine the decay constant for radon-222. s -1…
A: Given data: The half life of randon-222 is t1/2=3.823 days=330307.2 s Part a: The expression for…
Q: A sealed box was found which stated to have contained an alloy composed of equal parts by weight of…
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Q: A 5.0 x 105 Bq 241Am alpha source is used in a smoke alarm. The device is arranged so that 15% of…
A: (a) The alpha particles that detected by the device is I=15%R×q (1) Here, q is the Charge of an…
Q: Can carbon-14 dating be used to measure the age of a rock? Explain.
A: Carbon dating is a method which is used to find age of objects younger than 50,000 years.
Q: Q2: Fill in Blank (a) In B-decay, the total number of N and P in the nucleus which is equal to --.…
A: a) In beta decay, the total number of proton and neutron will remain constant, that is the mass…
Q: Use the worked example above to help you solve this problem. The half-life of the radioactive…
A: Given data:T1/2=1.6×103 yrN0=3.41×1016 nucleiFirstly, converting half life into…
Q: an archaeological dig uncoveres an ancient spear whose wooden handle contains 1/8 the radioactive…
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Q: a) Why are Alpha and Beta particles deflected in opposite directions in a magnetic field (Ref. fig.…
A: (a) The alpha and beta particles have opposite signs therefore they deflect in opposite direction…
Q: Approximately what is value of A for a nucleus whose radius is 4.7x10^-15 m
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Q: The nucleus O has a half-life of 122.2 s; 0 has a half-life of 26.9 s. Assume, that at some time a…
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Q: Is carbon dating appropriate for measuring the age of materials that are a few years old? A few…
A: Carbon dating is best suited for a few thousand years as the half-life of carbon 14 is 5000 years.
Q: Some types of MRI can produce images of resolution and detail similar to PET. Though the images are…
A: MRI and PET produces image of internal organ but there is some slight difference between both…
Q: A sample of hypothetical element X decays by positron emission and has a half-life of 79 years. How…
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Q: an element with initial mass 1 kg started radioactivity in 2021 , in which year the element will…
A: The mass is proportional to the radiation concentration. Which means that the radiation equation can…
Q: What is the radius of an α particle? (answer in fm)
A: An alpha particle is a helium nucleus. The radius of a nucleus is given by, R=R0A13 Here, R0 is a…
Q: Barium-133 is a radioactive element used in certain medical procedures. A sample of pure Barium133…
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Q: The half-life of beryllium-7 is about 53.3 days. (a) Determine the decay constant for beryllium-7.…
A: Given value--- Half life time = 53.3 days. We have to find--- (a) Determine the decay constant…
Q: A technician was accidentally exposed to potassium-42 while doing some brain scans for possible…
A: Activity after 36 hours = 2 micro Ci half life = 12 hr time = 36 hr
Q: After production, a 300ul solution with a specific activity of 30 GBq / ml was torn. Delivery time…
A: Where:
Q: A radiation oncologist treats cancer with two species of radioactive nuclei, X and Y. The initial…
A: Answer..
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