A GM counter records 16000 counts per minute,while the true counting rate is 17400 counts per minute, what is the dead time of the GM counter?
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: If a source contained 153 µCi of Bal133 (T, = 10.66 y) on June 1, 2005, what would be the 9. 10%…
A:
Q: The dosage of technetium-99m for a lung scan is 20. µCi /kg of body mass. How many millicuries of…
A: Given the dosage of technetium-99m for a lung scan is 20. µCi /kg of body mass. - How many…
Q: A point source of radioactive material produces a dose rate of 100 Gy/hr at 1 meter from the source.…
A:
Q: After the first covid-19 case found in Olde town, a group of volunteers started counting the number…
A: Required : Meaning of the number 0.2
Q: A thyroid cancer patient is given a dosage of 131I (half-life = 8.1 d). What fraction of the dosage…
A:
Q: Question 1. There are four factors: A, B, C, D. We assume that each replicate was considered as a…
A: Yate's Algorithm: Note: X=factorial effect X and total SSX=sum of squares due to X=X232…
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: Insecticide resistance If the frequency of a gene for insecticide resistance is p (a constant), then…
A: Given: p=Insecticide Resistance f= next generation frequency f=p1+s1+spwhere s is the reproductive…
Q: What is the exposure rate at 30 cm from a vial containing 20 mCi (740 MBq) of 131I?
A:
Q: A radiographic technique calls for 46 kVp and 28 mAs which results in an exposure of 278 µGy. What…
A: The primary exposure technique factors the radiographer selects on the control panel are…
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: 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: A person on a diet might lose 2.6 kg per week. Express the mass loss rate, as if the dieter could…
A: A person on a diet lose 2.6 kg per week. We need to express the mass loss rate if the dieter could…
Q: A radioactive source is producing 1.50 MeV gamma rays. If two detectors are placed 4.00 m and 7.00 m…
A: Distance of two detecters from the source…
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: For a chain reaction the following rate equation is obtained. Find the CB value.
A: The chain reaction initially starts with component A (at t=0) as more and more of it is converted…
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: 250 mA and .2 sec creates a good radiograph of a lateral thoracic spine with appropriate exposure to…
A:
Q: A cancerous tumour is exposed to an a-emitter with an RBE of 16. What absorbed dose, in Gy, is…
A: RBE of 16. 64 Sv
Q: Based on the linear, non-threshold dose-response model, the risk factors for excess cancer incidence…
A: Answer in the next step.....
Q: A radioactive sample at a lab contains a mixture of 223Ra and 47Ca. There are initially twice as…
A: apply the concept of radioactive decay and use the decay equations for each isotope.The decay…
Q: At 3 ft from a source, the dose rate is 25 mrem/hr. How far away from the source should somebody so…
A: According to guidelines we need to solve only first question kindly repost other questions in the…
Q: The rate of a simple enzyme reaction is given by the standard Michaelis–Menten equation: rate = Vmax…
A: Given: Rate = Vmax SS+km
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: 60Co is in an Iron container. The unshielded equivalent dose rate at 1 meter from the source is 2…
A: 60Co emits gamma radiation, the linear attenuation constant of iron for this is, μ=0.427/cm (1)…
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: Explain why it is necessary to perform 20 trials and use the mean value for calculating the reaction…
A: Since in each trial we get different results so we cannot determine the exact value but by averaging…
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: Iodine-131 is often used to treat Graves' disease or hyperthyroidism. In Graves' disease the thyroid…
A: Note that the half-life (T) of 131I is approximately 8 days. Let the initial amount of 131I at the…
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: Suppose that the mass attenuation coefficient of cortical bones is 0.0228 cm2/g and the density is…
A:
Step by step
Solved in 2 steps
