The manufacturer of a smoke alarm decides that the smallest s currentof α radiation he can detect is 1.00 µA . (a) Find the activity in curies of an α emitter that produces a 1.00 µA current of α particles. (b) What is unreasonable about this result? (c) What assumption is responsible?

Q: Two 13.3 mg radium tubes are arranged in a line with their centers 5.5 cm apart. A weaker source is…

A: Decay constant for radium λ=0.006 day-1 mass of radium m=226.03 g/mol A=13.3 mg distance

Q: A sample has a ¹4C activity of 0.0052 Bq per gram of carbon. (a) Find the age of the sample,…

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Q: Calculate the dose in Sv to the chest of a patient given an x-ray under the following conditions.…

A: Given that,The intensity of x-ray beam (I) = 1.50 W/m2The area of the chest exposed (A)= 0.0750…

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Q: During an X-ray examination, a person is exposed to radiation at a rate of 2.80×10-5 grays per…

A: Energy absorbed Eabs=Dtmt Here, Dt is the absorbed dose per second given in Gy/s.

Q: A vial contains 2000 MBq of Technetium-99m on the 18th June 2014 at 06:00. How much will it contain…

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Q: chamber reads 90% of the incident radiation. The pressure is decreased by a factor of 10. What…

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Q: The point source Co-60 emits gamma with energies of 1.17 MeV and 1.33 MeV. Each of these energies…

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Q: The counter scale of ionization chamber ranges from zero to 250 particles per second If you know…

A: Given that,The counter scale of Ionization chamber ranges from zero to 250 particles per…

Q: The manufacturer of a smoke alarm decides that the smallestcurrent of α radiation he can detect is…

A:

Q: A patient swallows a radiopharmaceutical tagged with phosphorus-32 (P), a B¯ emit- ter with a…

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Q: What would account for the similarities/differences in initial penetrating ability of alpha (e.g…

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A: Given data: Thickness (t) = 1 cm σ=71 barnρ=7.31 g/cm3 Need to determine the neutron transmission…

Q: A mouse has a thickness of approximately 20mm. Assume the mouse is completely composed of the ICRU4…

A: Given: In this question, the given details are, A mouse has a thickness of approximately 20mm.…

Q: 1.86 O Hl 20% | 2:39 PM K/s iv. What exposure time is required for an equivalent dose of 200 rem? B.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want a…

Q: Monoenergetic 2 MeV photons are incident on water. A piece of bone (p = 1.85 g/cc) 1.2 cm thick is…

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Q: A beam of 5.0 MeV alpha particles (q-2e) has a cross-sectional area of 1.50 cm2. It is incident on…

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Q: Pulse-combustion furnaces can be cost-effective in very cold climates or homes with high heating…

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Q: A patient swallows a radiopharmaceutical tagged with phosphorus-32 32 15 P, a ß- emitter with a…

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Q: If we had a radioactive waste giving off 5 MeV of gamma radiation, how thick would the following…

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Q: Calculate the fraction per square mm area of 7.7MeV alpha particle scattered at 45degrees from a…

A: Solution attached in the photo.......

Q: Calculate the dose in Sv to the chest of a patient given an x-ray under the following conditions.…

A: Energy, the intensity of radiation, exposure time, and area of cross-section is related by the…

Q: 71 A 20 mCi gamma source emits 0.200 Mev photons 65% of the time and 0.750 Mey photons 35% of the…

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Q: Unreasonable ResultsThe manufacturer of a smoke alarm decides that the smallest current of α…

A: Given: The smallest current of alpha radiation is I=1.00 μA.   (a) The alpha particles have the…

Q: Calculate the current produced when alpha particles (10 MeV) pass through a gas in ionization…

A: rate of particles = 600 particles / h = 600 /3600    particles/ second = 1/6  particles/ second   We…

Q: Ionizing radiation enters a Geiger tube with 1.30 MeV of energy. As the radiation passes through the…

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A: d= 267 rad dose Cw=4186 J/kgoC m=0.25 kg

Q: Suppose a particle of ionizing radiation deposits 1.0 MeV in the gas of a Geiger tube, all of which…

A: Part (a) The current produced can be calculated as below, Here n is the number of ion pairs…

Q: (Internal Exposure: Internal Radiation Dose) Given a 20µCi of 32P (T/2 = 14.3 days) is delivered…

A: GIven: 20μCi of P32  Half time, t12=14.3 days 70 kg Biological half-life, 19 days…

Q: d). A nuclear physicist works in a lab 5 days per week. He set his timing from 9AM to 3PM in first…

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Q: A 250 mg sample at 228 Ac has an activity of 207 * 10 ^ 16 atoms per second. What is the half life?

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Q: The manufacturer of a smoke alarm decides that the smallest current of a radiation he can detect is…

A: