Cross-section of nuclear reaction is the probability of reaction is designated as "sigma" is measured in barns all of above

Q: 137 If the specific activity of a 35 Cs source is initially 5x1016 Bq/kg, what is the specific…

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Q: How come side length is halved for Fx?

A: Required to answer why side length becomes half for calculating Fx

Q: a) 95 μm  b) 90 μm c) 85 μm  d) 80 μm

A: The intensity of the neutron beam is

Q: The activity of this sample after 3  half-lives have elapsed is approximately what?

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Q: A film badge worn by a radiologist indicates that she has received an absorbed dose of 3.3 x 10-7…

A: 1 Gy of absorbed radiation means = 1Jole of energy absorbed per 1 Kg  OR  100 erg of energy per…

Q: Using the nuclide chart find, among nuclides with mass number A = 77, the stable one. Enter the…

A: Given:The atomic mass of the nuclei to be found is, A = 77To find stable nuclei with A = 77, from…

Q: A) Describe the main parts of a nuclear reactor B) what kind of reactions generally occur. C) What…

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Q: A 30-g sample of 5"Co is positioned in the core of a reactor with an average neutron flux of 1014…

A: Consider the following quantities as given in the problem. mass of the 59Co = m = 30 gm Neutron flux…

Q: A sample of 6.0x109 atoms that decay by alpha emission has a half-life of 80 min. ▼ Part A How many…

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Q: The charcoal in an ancient campfire is found to contain 1/32 the normal amount of Estimate the age…

A: The half-life of given body is 5730 years. So the decay constant is λ=0.693t12=0.6935730 y=1.21×10-4…

Q: Att0s, you have a pure sample of an unknown substance. At t= 252 s, 36.8% of the substance remains.…

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Q: A(n) 5-kg article has energy 80,020 kg c2 Calculate gamma (y).

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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: QUESTION 4 Mass number is based on the number of protons and neutrons. True B 1 If false, explain…

A: Number of protons = p Number of neutrons = n Mass number = A A = p+n

Q: QUESTION 20 What is the time for entire chain reaction in the bomb? O less than femtosecond O less…

A: Nuclear chain reactions are series of nuclear fission , each initiated by neutron produced in…

Q: Using the nuclide chart find, among nuclides with mass number A = 77, the stable one. Enter the…

A: Given:The atomic mass of the nuclei to be found is, A = 77   Asked:To find stable nuclei with A =…