60Co is in an Iron container. The unshielded equivalent dose rate at 1 meter from the source is 2 mGy/h. What must be the thickness of Iron to meet the legal limit of 100 μSv/h?.
Q: 2. If the recommended effective dose in the lab is 500 µSv per week, find the time has been expended…
A: Given that:- Q=500 μSv=500×10-6 SvR=100 nSv/hr=100×10-9 Sv/hrt=?
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: An x-ray exposure of 350mR is recorded at a distance of 72". If the same techical factors are used,…
A: According to the inverse-square law, the exposure is inversely proportional to the distance. ε∝1d2
Q: If a source contained 153 µCi of Bal133 (T, = 10.66 y) on June 1, 2005, what would be the 9. 10%…
A:
Q: A radiograph of the chest is underexposed and must be repeated. The original technique used was 70…
A:
Q: A 9.0Ci Ir-192 source (half-life = 73.8 days) was installed in a high dose rate brachytherapy…
A: Given: Activity of sample = 9 Ci Half life of sample = 73.8 days
Q: If the absorbed dose is 50 rad and Q is 10. What is Dose equivalent in rem and Sv
A: Given Absorbed dose= 50 rad= 0.5 Gy Q=10
Q: A thyroid cancer patient is given a dosage of 131I (half-life = 8.1 d). What fraction of the dosage…
A:
Q: From the average of these values, determine the maximum number of hours you could work with this…
A: Given permissible annual dose is D=2.4mSv=2.4x10-3Sv And number of working days in a year is…
Q: A 1-curie source is located just behind a shielding. If the shield has an HVL of 8 cm, how thick…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: Calculate dose to muscle using a 5MeV beam and 50R exposure.
A: Given a muscle tissue is being exposed to a beam of photons with energy E=5MeV and exposure of…
Q: Convolution-superposition method is : A. Method to caleulate the primary dose in TPS B. Method to…
A: Convolution-superposition method is used to calculate the dose and is preferred technique for radio…
Q: Anil
A: Total Intake of Cs-137: This step involves calculating the total amount of Cs-137 ingested by the…
Q: 14C, the background counting rate for a single blank of a given sample composition was determined to…
A: Given Background counting rate for a sample composition Rb = 25 cpm for tb= 30 min…
Q: What is the exposure rate at 30 cm from a vial containing 20 mCi (740 MBq) of 131I?
A:
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: “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: If a dose with an activity of 1.70 mCi of 123I is given to a patient for a thyroid test, how much of…
A: Given,Initial Activity (A) =1.70 mCiElement used is 123I To Find,Amount of 123I active after 48…
Q: the V•O2max of people tends to declineafter age 30 by about 9% per decade for sedentary…
A: Given: The volume of oxygen of 30 year old is 3.1 L/min In sedentary individuals, decline is…
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: A GM counter has dead time of 250s,it records 20,000 counts per minute,what is the actual count rate
A: Actual count rate=?
Q: ' A GM counter records 16.000 Counts per minute. while the true counting rate is 17.400 counts per…
A: Given: Counts per minute m=16.000. True count per N=17.400. Introduction: In GM tube after every…
Q: given 4hrs of 80dBA exposure ,2hrs of90 dBA exposure and 2hrs of 85 dBA exposure,what is the % dose?…
A:
Q: 250 mA and .2 sec creates a good radiograph of a lateral thoracic spine with appropriate exposure to…
A:
Q: 18.6 An is 5x10 3 behind shield block with ray orifice of source m a an chamber 0.1 m from the…
A:
Q: 15. An IV infusion is administered to a 120 lb patient by IV infusion at a rate of 1.8 mg/kg/hr. The…
A: Given values: Dose = 1.8 mg/kg/hr * 54.43 kg ≈ 98.0 mg/hr V = 15 L half-life = 8 hours Where: C(t)…
Q: What is the exposure rate at 30 cm from a vial containing 20 mCi (740 MBq) of 15'1?
A: 20 mCi Point source, distance values are d1 =0.30 m and d2 = 1 meter , I 2 = .22 Mr/ hr/ mci * 20…
Q: 1. You are required to perform to perform constancy or precision testing to assure the…
A: The fill ups can be written as,
Q: Technetium-99 m has a half life of 4.8 hours. If a patient receives a dose with an activity of 60.2…
A: Given data : Half life (t1/2) = 4.8 hours Dose received (N0) = 60.2 mCi…
Q: Ann analysed mercury content on a canned fish and the permissible limit of mercury in fish is 0.1…
A: Introduction: Cold Vapor Atomic Absorption Spectroscopy or CVAAS is one of the primary techniques…
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: A Geiger Counter reading Of a radio acHve sample Is initally Ceses 6920 COunts per minute. The same…
A:
Q: what is the gauge and length for IM injection?
A: The gauge and length of a needle for an IM injection depends on the patient's age and weight.
Q: A GM counter records 16000 counts per minute,while the true counting rate is 17400 counts per…
A: Given data Cobs=16000 /minCtrue=17400 /min
Q: A patient is diagnosed to have Po cancer cells at time t = 0 and these cells grow subsequently…
A:
Q: Estimate the exposure rate 2 m from 4 Ci sources of 57Co,22Na,65Zn? Exposure Rate constant for…
A: Exposure rate
Q: Define the quantities of LET (Linear Energy Transfer), Exposure and Absorbed Dose? What is the…
A: Linear Energy Transfer (LET) is a measure of the amount of energy deposited by ionizing radiation…
Q: The recommended adult dose of Elixophillin, a drug used to treat asthma, is 6mg/kg of body mass.…
A: lb = 0.454 kg
Q: If the output is 24 mR / hour at 40 mAs, at 40 inches, what would the dose be per hour for 20 mAs…
A:
60Co is in an Iron container. The unshielded equivalent dose rate at 1 meter
from the source is 2 mGy/h. What must be the thickness of Iron to meet the
legal limit of 100 μSv/h?.
Step by step
Solved in 3 steps