Assume a prompt neutron generation time for a particular reactor of 4.1 x 10- 5 seconds and a delayed neutron generation time of 12.4 seconds. If ß is 0.0061, calculate the average generation time.

Q: Suppose one food irradiation plant uses a 137 Cs source while another uses an equal activity of 60…

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Q: A thermal nuclear reactor is in steady-state operation with no external neutron sources, in which…

A: The expression for final reactor power is  P=P0etτ…

Q: If the average energy released in a fission event is 208 MeV, find the total number of fission…

A: Write the expression for energy.

Q: A fast reactor is fueled with plutonium 239Pu and has capture-to-fission ratio of 0.070. The fission…

A: Given the capture to fission ratio and recoverable energy. The total energy be given as,

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

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Q: The energy release in the reaction A(d, p)B is Q. Show that the neutron separation energy for…

A: Neutron separation reaction for B is, B→B1+n10 and, nuclear separation energy is, Sn=B.E(B)-B.E(B')…

Q: . A multiplying medium has a neutron population of 1.0 x 1012 neutrons per cubic centimeter at time…

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Q: 13. The neutron monitoring system of a reactor indicates a count rate of 50 cps and the reactivity…

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Q: In a nuclear reaction, calculate the percentage of uranium 235U enrichment to get the reproduction…

A: Given: reproduction factor Cross section of 235U Cross section of 238U Fission cross section of…

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

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Q: A reactor critical at 200 watts has 175 pcm of negative reactivity is added. Xeff for the reactor is…

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Q: 42. Start with the one-group neutron diffusion equation and derive the relation for neutron flux in…

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

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Q: To minimize neutron leakage from a reactor, the ratio of the surface area to the volume should be a…

A: a) For the case of sphere,

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: ph in this question, calculate the UK daily background dose (in mSv/day). Give your answer to 5…

A: SOLUTION a) one week has 7 days       therefore, 32 weeks have 32x7 = 224 days   b) The dosage given…

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: The neutron generation time of a particular reactor is 1.3 ms.The reactor is generating energy at…

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Q: A radioisotope was injected in the human body. The half-life of the radioisotope is T/2 = %3D 6…

A: Given: T1/2=6 hours

Q: A 20 g sample of cobalt is irradiated in a power reactor with a flux of 1014 n/cm2/s for 6 years.…

A: To calculate the activity of 60mCo immediately upon removal from the reactor, we need to consider…

Q: A large power reactor that has been in operation for somemonths is turned off, but residual activity…

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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: We use a Geiger counter to measure the YT, the total yield (in counts) due to a radioactive source…

A: Given that: Total yield=YTBackground Yield=YBWhether true or false:The uncertainty (σ) in the…

Q: One of the hazards of nuclear explosions is the generation of 90Sr and its subsequent incorporation…

A: Given: The half life is t=28.1 years. The energy is E=0.55 MeV. The amount radioactive material of…

Q: A reactor operates at 400 MW with a neutron generation time of 30.0 ms. If its power increases for…

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Q: We use a Geiger counter to measure YT, the total yield (in counts) due to a radioactive source with…

A: Everyone on the Earth is exposed to background radiation. The three primary sources of background…

Q: An aluminum foil of thickness 0.30 mm is bombarded by energetic neutrons. The aluminum nuclei…

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Q: (Internal Exposure: Internal Radiation Dose) Given a 20µCi of 32P (T/2 = 14.3 days) is delivered…

A: GIven: 20μCi of P32  Half time, t12=14.3 days 70 kg Biological half-life, 19 days…

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: The energy release in the reaction A(d, p)B is Q. Show that the neutron separation energy for…

A: Given: To prove the neutron separation energy of nucleus will be Sn =Q+ε is given as,

Q: If the absorbed dose to a nuclear worker were 0.1 rads from neutrons of unknown energy and 0.3 rads…

A: The dose equivalent H (in rems) is given by, H= D Q where, D= absorbed dose by human tissue in rads…

Q: iven that 10,000 neutrons exist at the beginning of a generation. The values for each factor of the…

A: For a stable self-sustained nuclear fission chain reaction is that for each nucleus undergoing…

Q: 28.37 For a simple RL circuit, Kirchhoff's voltage law requires that (if Ohm's law holds) di L- + Ri…

A: 28.37 For a simple RL circuit Kirchoff's voltage law requires:…

Q: A 75 kg patient swallows a 30 mCi beta emitter with a halflife of 5.0 days, and the radioactive…

A: The number of radioactive nuclei did the patient swallowed be calculated as,…

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…

Q: A particular radioactive source produces 100 mrad of 2-MeV gamma rays per hour at a distance of 1.0…

A: A particular radioactive source produces 100 mrad of 2-MeV gamma rays per hour at a distance of 1.0…