Bartleby Related Questions Icon

Related questions

Q: A Co-60 source gives a gamma dose rate of 120 μSv/h at 2.2 m away. At what distance (in meter) will…
A:
Q: d the minimum sample size n needed to estimate μ for the given values of​ c, σ​, and E.   c=0.90​,…
A: c=0.90​, σ=8.9, and E=2   Find:- Find the minimum sample size n needed to estimate μ, Assume that a…
Q: An ac source with an amplitude of 600 V drives an L-R-C series circuit. The voltage vC acrOss the…
A:
Q: What is 28 mg coverted into kilograms? I put 2.8 e-5 and it was incorrect on Webassign.
A: 28 mg can be converted as follows.
Q: 3. Find the percent error of the experimental value we found for the density of the unknown sample…
A: Error in measurements is because of several reasons now consider only the instrumental errors so if…
Q: 29. A shielded vial with a 0.1-mm thick lead shield contains 1. This shielded sample yields an…
A: 29 Given: The thickness of the lead is t=0.1 mm. The exposure rate with a shield at a distance of 3…
Q: Operating console controls are set at 200 mA with an exposure time of s. What is the…
A:
Q: “Diffusion” sounds slow—and over everyday dis-tances it is—but on the scale of a cell it is very…
A: The average instantaneous velocity is given as:v=kTmwhere,k is 1.38×10-16 g.cm2/K.s2T is in Kelvinm…
Q: A worker will need to conduct a repair to a pipe containing radioactive waste. The pipe is 10 m…
A: Part (a): Given that the distance of the worker from the radiation pipe is 50 cm, the radiation dose…
Q: 3. The amount of Dr. Pepper dispensed by a soda machine is normally distributed with a mean of 63.0…
A:
Q: 250 mA and .2 sec creates a good radiograph of a lateral thoracic spine with appropriate exposure to…
A:
Q: The potential energy of the reactants is represented by the letter The potential energy of the…
A: we have to designate which of the letter denotes the products and reactants
Q: the minimum sample size n needed to estimate μ for the given values of​ c, σ​, and E.
A: σ= 7.4 c= 0.90and E = 2  Find:- Find the minimum sample size n needed to estimate
Q: If the gamma-ray dose rate is 50 mSv hr-1 at a distance of 1.0 m from a source, what is the dose…
A: Given data, Dost rate is I1=50 mSvhr-1 when distance d1=1 m. Distance d2=10 m.
Q: technetium half life is 4.8 hours. If a patient receicves a dose with an activity of 35.9 mCi of…
A: Half life of technetium (t1/2) = 4.8 hours Initial activity (Ao) = 35.9 mCi
Q: A generator is calibrated to contain 500 mCi of "Mo at noon on Friday, July 22 at 8 am. The…
A: Technetium-99m (Tc-99m) is derived from the decay of Molybdenum-99  The half-life of 99Mo is…
Q: A. 1.8 Sv 43. A patient received a full-body electron dose of 240 mGy, a neutron dose (1 MeV) of 43…
A: Effective dose is used to assess the potential for long-term effects that might occur in the future.…
Question
27. A shielded vial with a 1-mm thick lead shield contains Tc. If A. 11.8 mR/hr В. 23.5 mR/hr C. 47 mR/hr D. 94 mR/hr the unshielded sample yielded an exposure rate of 188 mR/hr, what will the exposure rate be from the shielded vial? (The lead HVL for Tc is 0.25 mm.) 28. If "Co gives an exposure rate of 38 R/hr at 2 m, at least how А. 2 В. 3 many HVLS of concrete shielding are required to reduce this exposure to below 2 R/hr at the same distance? (The concrete HVL for "Co is 6.2 cm.) С. 4 D. 5
expand button
Transcribed Image Text:27. A shielded vial with a 1-mm thick lead shield contains Tc. If A. 11.8 mR/hr В. 23.5 mR/hr C. 47 mR/hr D. 94 mR/hr the unshielded sample yielded an exposure rate of 188 mR/hr, what will the exposure rate be from the shielded vial? (The lead HVL for Tc is 0.25 mm.) 28. If "Co gives an exposure rate of 38 R/hr at 2 m, at least how А. 2 В. 3 many HVLS of concrete shielding are required to reduce this exposure to below 2 R/hr at the same distance? (The concrete HVL for "Co is 6.2 cm.) С. 4 D. 5
Expert Solution
Check Mark
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
See solutionCheck out a sample Q&A here
Step 1
VIEW
Step 2
VIEW
bartleby

Step by stepSolved in 2 steps with 2 images

See solution
Check out a sample Q&A here
Blurred answer
Knowledge Booster
Background pattern image
Similar questions