99m 27. A shielded vial with a 1-mm thick lead shield contains hTe. If A. 11.8 mR/hr B. 23.5 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.) C. 47 mR/hr D. 94 mR/hr
Q: ou run quality control for a bolt producer. This past week, the plant ompleted a run of 3-inch…
A: To calculate the Z-value, we first need to determine the distance between the sample mean and the…
Q: A bottle of liquid medication contains 300mL and cost $15.00. If the usual dose is 1.5…
A: Given A bottle of liquid medicine contains 300mL and costs $15.00. Dosage Amount =1.5 tablespoon 1…
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…
A:
Q: How is the dose-depth measurement made using a TLD dosimeter?
A: Dosimeter two Can vary in designed chips but typically commprises of two or ore LIF detectors.…
Q: A radiograph of the chest is underexposed and must be repeated. The original technique used was 70…
A:
Q: What is the Sl equivalent of 4 Ci? a. 150,000,000,000 or 1.48 X 10(12) Bq Ob.0.04 Bq Oc. 0.001032…
A:
Q: Referring to this figure, calculate Av if rd = 19 ko.V = 6.42V GSQ 12 V 2 kn HO V. 1 μF Zo 10 Mn…
A:
Q: Carbon dioxide is metered into an air conduit which is 12 sq ft in cross-sectional area at a…
A:
Q: ay, 4 days/week, 40 week pe eutrons. What is the total
A: Given: A radiation worker works four hours per day,4 days/week. 40 week per year receives 0.2 m…
Q: If the approximate size of corona virus is 1000 nm. This value is equal to O a. 1 µm
A: Given Size of virus =1000nm
Q: The intensity of radiation at 2m was 300 mR/hr. What would the exposure be at 4m? Oa. 1200 mR/hr Ob.…
A:
Q: 2. Two values were measured, x = 32 ± 5 s² and y = 27 + 4 s. You then need to calculate the…
A:
Q: Consider the following data from the analysis of mercury using cold vapor atomic a spectrometry:…
A: GivenS=1.09 CHg+0.298
Q: the source only 3. Suppose in this experiment, the penetration depth in lead is 9.4 mm (which is not…
A: Radiation when travelling through material experiences attenuation. In lead also the radiation is…
Q: How do you determine the percentage error of a zinc rod when the experiment density is 0.0071g/cm^3…
A:
Q: 1. Given the following SIR diagram, where h are some costly self-protective activities that people…
A:
Q: What is the occupancy number of the level lg9/2? Select one: а. 16 O b. 10 O c. 20 O d. 8
A:
Q: Q1 Find R and concentration of minority carriers for p-type sample with NA = 3 x 1021/m³, l = 1 cm,…
A: Given data:NA=3×1021/m3l=1 cm=0.01 mA=0.4 mm2=4×10-7 m2ni=2.5×1019/m3μn=0.38 m2/V·sμp=0.18…
Q: (3112 GULICUU 5. The neutron flux in a bare spherical reactor of radius 50 cm is given by 2M (@) = 0…
A: r=50 cm and D = 0.80cm
Q: 2. You place a C film with an unknown thickness in between an Am-241 source and a detector. After…
A: Americium undergoes radioactive decay via alpha particle emission. The alpha decay energy of the…
Q: 10.Research indicates that the average adult sleeps M = 360 min a night with SD = 90 min, which…
A: The probability distribution z is given by z=X¯−μσ. Once two points on the distribution curve are…
Q: 1. Name three advantages of in-situ tests and two disadvantages compared to laboratory tests. 2.…
A: 1. We have to tell 3 advantages of in-situ tests and 2 disadvantages compared to laboratory tests.…
Q: 1. The table below shows average temperatures recorded over a five-day perlod last winter (a)…
A:
Q: A 192ir (r= 0.462 R. m2/Ci. h) source of strength 20 GBq is present as a wire of length 3 m. What is…
A: Ans: Exposure rate of a radioactive wire is given byExposure Rate(E)=Γαrsinβ1+sinβ2Here, Γ=Exposure…
Q: You are given the following data for the specific charge of copper ions experiment, 田 Current Time…
A:
Q: the mass m, is given the equation m=i[0.69]t. i is the intitial dose and t is the number of hours…
A: Given, m=i(0.69)t (t comes in the exponent) where i= initial mass t=…
Q: 2. A person on a diet loses 2 kg per week. Find the average rate of mass loss in milligrams every:…
A: Losses mass (m) = 2 Kg = 2000000 miligramTime (t) = 1 week = 7 days = 604800 seconds
Q: A vial contains 1900 MBq of Technetium-99m on the 18th June 2014 at 06:00. How much will it contain…
A:
Q: For each level of confidence c below, determine the corresponding normal confidence interval.…
A: Given confidence levels are 17. C =0.85 18. C = 0.9 19. C = 0.95 20. C = 0.98 And for all…
Q: Sulfur compounds cause “off-odors” in wine, so winemakers want to know the odor threshold, the…
A: Answer For 95% confidence level, critical value iof z is 1.96 . The required sample size is:
Q: 3.3 A cylindrical air wall chamber of radius 0.5 cm with a central electrode of radius 0.05 cm is…
A: Solution: Given that, ab=0.50.05=10 Exposure rate=240 R/min=1 R/sec Here, Key=1.19
Q: A sample was weighed three times and the following results were obtained: 12.52 g, 12.50 g, and…
A: Average value is given by the sum of given values divided by total number of values .
Q: vial contains 2000 MBq of Technetium-99m on the 18th June 2014 at 06:00. How much will it contain at…
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: A single-walled carbon nanotube has 2.3x 1019 carbon atoms per m2 along its surface. The nanotube…
A: The mass density (ρ) of a substance is the mass of one unit volume of the substance. For nanotubes…
Q: In a diagnostic procedure, a patient in a hospital ingests 66 mCi of gold-198 (t1/2 = 2.7 days).…
A:
Q: A Geiger-Muller tube is a type of gas-filled radiation detector. It can detect particles like…
A:
Q: . A vial contains 1900 MBq of Technetium-99m on the 18th June 2014 at 06:00. How much will it…
A: The initial activity of the Technetium-99m is A0 is 1900 MBq. The time of radioactive decay is, The…
Q: 35 30 25 Pressure (x 10¹ Pa) 20- 15 10 15 20 Volume (x 10-4 m³) 25 30 35 40 1 C-> D->
A: Given, Pressure versus volume graph.…
Q: The dose rate at 2 feet from a 137Cs source is 10 mrem/hour. What is the dose rate in mrem/hr at…
A: The dose rate from a point source of gamma rays follow the inverse square law. This means that the…
Step by step
Solved in 2 steps with 2 images