During a diagnostic x-ray examination a 1.2 kg portion of a broken leg receives an equivalent dose of 0.40 mSv. (a) What is the equivalent dose in mrem? (b) What is the absorbed dose in mrad and in mGy? (c) If the x-ray energy is 50 keV, how many x-ray photons are absorbed?

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…

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 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: A Geiger- Mueller counter registers an initial reading of 3200 counts while measuring a radioactive…

A:

Q: hromium-51 is used in imaging red blood cells and has an effective half-life of 27 days.   If a dose…

A: Given: The half-life time of the red blood cell is 27 days. The initial activity is 24 μCi. The…

Q: After the sudden release of radioactivity from the Chernobyl nuclear reactor accident in 1986, the…

A: (a) Since 1 liter of milk contains 2 g of potassium which 0.0117 % is the isotope 40K in 1 liter of…

Q: A thyroid cancer patient is given a dosage of 131I (half-life = 8.1 d). What fraction of the dosage…

A:

Q: 12. A point source of 5-MeV y-rays with intensity 3 x 103 y-rays/cm2- sec is shielded with 50 cm of…

A: Given: The energy of the Gamma-rays is E = 5 MeV The intensity of the point source is I0 = 3 x 103…

Q: 14. A cancer patient received a gamma-ray dose of 0.1 Gy and a proton dose of 200 mGy. What was the…

A: Solution: The equivalent dose of the gamma-ray dose and the proton dose is given by the following…

Q: radiation worker stands 50 cm away from a radioactive source of 25 mCi 57Co. Calculate the…

A: Given the activity of the radioactive source is equal to 25 mCi . The half- life of the source is…

Q: a) If a chest X-ray delivers 0.25 mSv to 5kg of tissue, how many total joules of energy does this…

A: NOTE- As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly…

Q: Gamma rays may be used to kill pathogens in ground beef. One irradiation facility uses a 60Co source…

A: The total amount of energy of gamma rays per beta decay of 60Co can be given as, Here, ε represents…

Q: A radioactive contaminant gives an unfortunate 0.5 kg lab rat a dose of 1500 rem in just 1 minute.…

A:

Q: A person is to work in a mixed field consisting of 5mGy/h of gamma radiation, 1.0 mGy/h of beta…

A: The ICRP standard for the whole body is 500 mSv.

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

A:

Q: If meat is irradiated with 2523.0 Gy of x-rays, most of the bacteria are killed and the shelf life…

A: Mass of substance is Heat energy used for mass is Specific heat capacity of water is Find:The…

Q: An x-ray technician works 5 days per week, 50 weeks per year. (Assume that the technician takes an…

A: Given data: Working rate = 5 days/week Per year working rate = 50 weeks/yr Number of per day taken…

Q: A certain biological sample is given a dose of 7.50 rad from alpha particles. (WR = 20) Calculate…

A: Given :- a dose of 7.50 rad from alpha particles WR = 20 Equivalent dose HT  = absorbed dose * WR =…

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: a) A patient receives an absorbed dose of 0.045 mGy of alpha radiation. The radiation weighting…

A: 1. a) Given, Absorbed Dose = 0.045 mGy radiation weighting factor = 20 Therefore, Dose in Sv =…

Q: The maximum permissible workday dose for occupational exposure to radiation is 26 mrem. A 55-kg…

A: Here's how to find the ratio of the equivalent dose to the maximum permissible dose:Convert absorbed…

Q: A 267-rad dose of radiation is administered to a patient in an effort to combat a cancerous growth.…

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

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: a) A patient receives an absorbed dose of 0.045 mGy of alpha radiation. The radiation weighting…

A: a. Given Absorbed dose Dα     = 0.045 mGy of α-radiation = 0.045×10-3 Gy Weighting factor WR = 20 b.…

Q: Assume that a full CT scan of the spinal cord (columna vertebralis) of a patient delivers an…

A: The objective of this question is to calculate the total number of X-rays necessary to deliver a…

Q: A man has been exposed to 1 mGy each of alpha, beta and gamma radiation from a source outside his…

A: Given, Absorbed dose, Hb=1mGy The radiation weighting factor for, Alpha particle, Wα=20 Beta…

Q: A point source of gamma radiation has a half-life of 45.0 minutes. A Geiger counter placed 3.00m…

A: We need two fomulas to solve this problem   1.  If N0 is the no. of gamma rays emerges from a source…

Q: In one year, a man working with radioactive materials receives a dose of 7.8 mGy to his lungs from…

A: (a) The equivalent dose absorbed by lungs from alpha radiation can be determined as, Here, HL, Wα…

Q: Geiger counter reading of a radioactive sample is initially 6520 counts per minute. The same sample…

A: Given:Initial count rate, N0 =6520 count/minFinal count rate, N = 422 count/mintime, t = 10.1 hr

Q: The radionuclide 32P (T1/2 = 14.28 d) is often used as a tracer to follow the course of biochemical…

A:

Q: The small intestine has a mucus layer approximately 200 um thick. A worker accidentally ingests a…

A: It is observed that a  5.5 MeV alpha particle can be stopped by a 40 um thick human tissue.  In the…

Q: photons into 10

A: The photon energy is given as, E=hcλE=6.626×10-24 ×3×108 J0.025×10-9

Q: The C14 with an activity of 10 Ci is in a 1.0 mm thick lead box. Calculate the number of beta…

A: C14 has an activity of 10 Curie1 curie is defined as 3.7×1010 decays/sSo, 10×3.7×1010=37×101037×1010…

Q: Q.4. (b) The linear absorption coefficient of lead for 1.0 MeV gamma rays is 74 m¹. Calculate the…

A: Given, The linear absorption coefficient of lead for 1.0 MeV gamma rays is = 74 m-1  loge 2 = 0.693…

Q: A radiation worker works four hours per day, 4 days/week, 40 week per year receives 0.2 mrad/h…

A: Given: A radiation worker works four hours per day,4 days/week. 40 week per year receives 0.2 m…