A 65 kg person undergoing a series of X-rays receives a dose of 12 rem. (a) What dose does he receive in sieverts and rad? (b) How much energy was deposited in the person’s body?

Q: An accident in a laboratory results in a room being contaminated by a radioisotope with a half-life…

A: Half life radioisotope =t= 8days . Let maximum permissible level be = N⁰ then , radiation emissions…

Q: An accident in a laboratory results in a room being contaminated by a radioisotope with a half-life…

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Q: A drug prepared for a patient is tagged with 4399Tc, which has a half-life of 6.05 h. The dose…

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Q: A person is exposed to ionizing radiation which deposits 10 J of energy in their tissue. (a) What…

A: Dose rate is given as, D=energy/mass (a). Energy deposited is equal to 10 J.   Dose rate for adult…

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Q: A research reactor, after going critical for the first time, operates at a power level of 100 W for…

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Q: A beam of 168 MeV nitrogen nuclei is used for radiotherapy. If this beam delivers a 2.00 Sv dose to…

A: Given: Energy of beam (E) = 168 MeV. Of nitrogen nuclie. Relative biological effectiveness (R.B.E.)…

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 student carries out a radioactive decay experiment. She measures the activity of a source as a…

A: Dear student Activity is defined as rate of radioactive decay of nuclei. It is denoted by  R = ¥ N…

Q: A 70kg person experiences a whole body exposure to alpha radiation, RBE=15 with energy 4. 77MeV. A…

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Q: A person with lymphoma receives a dose of 35 gray in the form of gamma radiation during a course of…

A: (i)   The energy absorbed by the cancerous tissue can be calculated as,

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: 9. A person is exposed to 1onizing radiation which deposits 10 J of energy in their tissue. (a) What…

A: (a) Absorbed dose For Adult For Child

Q: 13. A radiation worker stands 50 cm away from a radioactive source of 25 mCi "Co. Calculate the…

A: The given values are,

Q: To destroy a cancerous tumor, a dose of gamma radiation totalling an energy of 2.12J is to be…

A: The formula for the decay constant is:

Q: 3. A sample of a radioactive isotope is found to have an activity of 115.0 Bq immediately after it…

A:

Q: A 1.90-kg tumor is being irradiated by a radioactive source. The tumor receives an absorbed dose of…

A: Step 1:Given, the mass of the tumor is m=1.90 kg,the absorbed dese is AD=18.0 Gy=18.0×1.0J/kg=18.0…

Q: A scientist working near an improperly shielded y-ray source would receive an equivalent dose of 4.0…

A: When the scientist works in an improperly shielded gamma source, he receives a dose of  X0=4.0 mSv…

Q: A 70kg person experiences a whole body exposure to alpha radiation ( RBE) with energy 4.77Mve.A…

A: Since, you have uploaded a question with multiple sub-parts, we will solve the first three sub-parts…

Q: ma nuclear accident absorbe 1 370,000 Bq. Assume thata p in the skeleton. The skelet person's body…

A: A dose equivalent is given as, Sv=dose in Gy×RBEHere, RBE=1Dose in Gy=energy absorbedmass of…

Q: To destroys cancerous tumor , a dose of gamma radiation totaling an energy of 2.12J is to be…

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Q: An 85 kg radiation worker accidently ingest 1.0 mg of Po211. Assume that Po211 resides in the body…

A: The half life of Po211 is T1/2 =0.516 seconds, so the decay constant λ is given by,…

Q: As a health physicist, you are being consulted about a spill in a radiochemistry lab. The isotope…

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Q: To cure thyroid cancer, a child is injected with the radioisotope Iodine-125, which emits x-ray…

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Q: A 70kg patient is injected with 2.0 x 1013 atoms of Tc99m for a nuclear medicine imaging study.…

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Q: 10. A person with lymphoma receives a dose of 35 Gy in the form of y radiation during a course of…

A: The energy absorbed by the tissue is

Q: How long must the patient wait to reach the acceptable level

A: The half life is T½ = 8.04 days  Now y = 0.693/T½ Here y is lambda used in expression given below,…

Q: III. In a neutron plus gamma-ray radiation field, a TE ionization chamber registers a dose-rate of 5…

A: In this question we are given that in a neutron plus gamma-ray radiation field, a TE ionization…

Q: using

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Q: 38. A patient receives an x-ray dose of 200 mGy, a 20-keV neutron dose of 70 mGy, and a proton dose…

A: 38. The radiation weighting factor of neutron, proton, and x-Ray, wn=10wp=2wx=1 The whole body…

Q: 9. A 80-kg man is exposed to a beam of alpha particles, each of which imparts an energy of 100 MeV…

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Q: A certain isotope has a half-life of 5.9 h and an atomic mass of 95.98 u. What will the activity in…

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