If 119 grams of a material absorbs 13 Joules of energy from radiation, what is the absorbed dose to the material? (Answer in Gray, round to the nearest single decimal place)

Q: 1.5 Gy of gamma radiation are directed into a 150 g tumor. How much energy does the tumor absorb?

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 person whose mass is 67.0 kg is exposed to a whole-body dose of 37.0 rad. How many joules of…

A:

Q: The disintegration rate of certain radioactive substance at any instant is 4750 disintegrations per…

A: To find- Half life (T)=?Given-N0=4750N1=2700t=5 min

Q: in+ U→ Ba + Kr+3,n II. Calculate the energy released in the following fission reaction: The masses…

A: Solution attached in the photo

Q: The Q-value of fission reaction is of the order ___________ a) 10 MeV b) 100 MeV c) 200 MeV d)…

A: To find: The Q-value of fission reaction is of the order

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

A:

Q: A person ingests an amount of a radioactive source that has a very long lifetime and activity 0.52…

A: absorbed dose rate is the amount of radiation energy absorbed by the tissue.  Therefore absorbed…

Q: Radioactive indium-111 has an effective half-life of 2.5 days.If a dose with an activity of 3.0 mCi…

A:

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

A:

Q: 15. An 85 kg person was exposed to a gamma source and received a whole body dose of 0.5 Sv. How much…

A: The dose equivalent is given by

Q: A 50 kg nuclear plant worker is exposed to 20 mJ of neutron radiation with an RBE of 10. What is the…

A: The expression to solve for the dose of the neutron radiation is as follows:…

Q: Q10: Using a nuclear counter the count rate of emitted particles from a radioactive source is…

A: Given value--- at t = 0 , count rate = 1600 count/s. after 6 second , count rate = 100 count/s. We…

Q: unknown radioactive element decays into non-radioactive substances. In 480 days the radioactivity of…

A:

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

A:

Q: sheets of cardboard would be necessary to block 99% of beta radiation

A: Solution

Q: A person whose mass is 75.0 kg is exposed to a whole - body dose of 25.0 rad. How many joules of…

A: Formula to calculate the energy deposited in person’s body is,

Q: For a fission reaction, 1.92 x 1016 J of energy is released. What is the mass defect in kg?

A:

Q: A person exposed to fast neutrons receives a radiation dose of 300 rem on part of his hand,…

A: a) The expression for find absorbed radiation is Rab=EeqRBE Here, Rabis absorbed radiation and Eeqis…

Q: If we had a radioactive waste giving off 5 MeV of gamma radiation, how thick would the following…

A: Given: Radiation needs to be reduced by 99%=0.99 To find: The thickness of substances for air,…

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 atomic power reactor can deliver 300 MW. if due to fission of each atom of the energy released is…

A: The nucleus has positive particles- proton and neutral particles- neutron. As the atomic number is…

Q: If a patient undergoing radiation treatment for prostate cancer receives 41 Gray ( Gy G y ) of gamma…

A: If a patient undergoing radiation treatment for prostate cancer receives 41 Gray ( Gy G y ) of gamma…

Q: What is the half-life of a radioactive isotope if the activity of a sample drops from 14,080 cpm to…

A:

Q: Hey certain radioactive isotope has a half-life of 90 days. How long will it take for the radiation…

A: Given value--- half life time = 90 days. We have to find--- How long will it take for the…

Q: A 200. - rad dose of radiation is administered to a patient in an effort to combat a cancerous…

A: Formula to calculate the amount of energy per unit mass is,

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: A Geiger counter reading of a radioactive sample is initially 7020 counts per minute. The same…

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: Geiger counter reading of a radioactive sample is initially 7220 counts per minute. The same sample…

A: Given: The initial amount is 7220 counts per minute. The final count is 422 counts per minute. The…

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: A radioactive material decomposes half of its amount per minute. If after 2 mins, 100% undecayed…

A: Half of amount decay in 1 min

Q: If a 72-kg person absorbed an equivalent dose of 1.36 mSv of radiation with the RBE of 3.0, what was…

A: The equivalent dose of the absorbed radiation is given to be 1.36 mSv Let E=1.36 mSv=1.36×10-3 Sv…