The neutrons slowed down by moderators are called as ____________ a) Slowed neutrons b) Thermal neutrons c) Fission neutrons d) Moderated neutrons
Q: is 30.2 ye
A: Answer
Q: Explain the nature of the radiation that may be emitted from an excited nucleus of the moderator
A: A moderator substance is used in a fission nuclear reactor to slow down the fast neutrons emitted as…
Q: Radon 220Rn produces a daughter nucleus that is radioactive. The daughter, in turn, produces its own…
A: Given Data: Radon produces a daughter nucleus that is radioactive, which in turn, produces its own…
Q: The radioactive decay law is given by where N(t) = Noet 2= In(2) 11/2
A: We have given radioactive decay law. We want to linearlize the given equation.
Q: What are the safeguards to prevent a reactor exploding like a fission bomb?
A: Moderators and control rods are safeguards used to avoid the excessive fission reactions in nuclear…
Q: What is the value of nuclear density in F³/ u
A: Nuclear density=? We know that radius of nuclear R=R0(A)1/3 Where R0= 1.2-1.4 fm (range)
Q: Question 16 of 25 What type of nuclear decay occurs when a proton in the original nucleus converts…
A:
Q: ii) The half-life of a radioactive element is 20 days. Calculate the time taken for the number of…
A: Given Data : Half life of element, t1/2 = 20 days Number of nuclei left = 40% of initial value…
Q: Why are very high temperatures and pressures required for fusion to occur? O to generate the…
A: Option B i.e. to overcome the replusion between the protons in the nuclei that join.
Q: The two fragments of a fission reaction are isotopes that are neutron-rich; each has more neutrons…
A: fission reaction
Q: A) Describe the main parts of a nuclear reactor B) what kind of reactions generally occur. C) What…
A:
Q: n the decay or radium-222 produces polonium-218 and helium explain how matter is conserved in a…
A: The nuclear reaction is, Rn86222→Po84218+He24+γ
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: Since the uranium or plutonium nucleus fissions into several fission fragments whose mass…
A: A reaction in which the molecules or nuclei split into the medium mass nuclei is said to the nuclear…
Q: Which of the following has the largest fission coefficient as possible? 235U 254U 258Fm…
A:
Q: Plutonium 2 Pu nucleus produced in a nuclear reactor undergoes alpha decay. Determine the daughter…
A:
Q: Match each illustration or description to the corresponding type of radioactive decay. Answer…
A: The emitted particle from the alpha decay has a +2 electric charge. An electron is emitted from the…
Q: 1. a) What controls the chain reaction in a nuclear reactor? b) A close loo. at the diagram below…
A: control rods : in nuclear reactor control rods are used to control the self sustained chain…
Q: Zinc Zn nucleus produced in a nuclear reactor undergoes beta-plus decay. Determine the daughter…
A:
Q: Describe the Nuclear mass and Nuclear energy correlation.
A: The Nuclear mass and nuclear energy correlation is used to calculate the mass-energy balance and…
Q: 238 1 U + n- 146 92 Ва + Kr + neutron
A:
Q: 9) Derive the radioactive decay equation from the fact that the decay rate in nuclei is proportional…
A:
Q: Why will nuclear fission probably not be used directly for powering automobiles? How could it be…
A:
Q: Explain why fission fragments are unstable and explain what type of radiation they are likely to…
A: The fragments of the fission are unstable because the fragments of the fission have a large number…
Q: A patient’s tumor is irradiated with gamma rays from an external source. Afterward, is his body…
A:
Q: 9: In which type of decay does a neutron turn into a proton like the one shown below? A: alpha…
A: Beta decay is occur in the necleus where number of proton and neutrons are very high. The proton…
Q: Suppose a person swallows some radioactive material by accident. What information is needed to be…
A: The information needed to be able to assess possible damage when a person swallows radioactive…
Q: Discuss how fission fuel reacts and describe what it produces.
A: Uranium-235 is the fuel used in the process of nuclear fission. It is a highly radioactive material…
Q: a) What controls the chain reaction in a nuclear reactor? b) A close look at the diagram below shows…
A: Nuclear reactors are the devices which generate heat/Energy through a physical process called…
Q: Complete the following radioactive decay formulas: a) 12 5 B->___+e-+V b) 284 90 Th->250 88…
A: b)90284Th→88250Ra+___This equation describes an alpha decay, where an alpha particle, which is a…
Q: What are the four main components of a fission reactor?
A: Nuclear fission reactor is a device which provides energy by the nuclear fission of heavy elements.
Q: What process is being modeled by the diagram below? ENERGY 3 in 235 U 236 92 92 141 Ва 56 Unstable…
A: Nuclear fission is the process of breaking the larger atom into 2 or more smaller & lighter…
Q: The radioactive Polonium-210 decays to half its original amount every 139 days. If your sample will…
A: Since Polonium-210 decays to half its original amount in a time of 139 days, the half life of this…
Q: Which of the following is the process where the unstable nucleus loses energy by emitting radiation?…
A:
Q: The half-life of this nucleus is 1.0 seconds. For the following times fill in the rest of the chart…
A: Given half life=1 sec required parent and daughter nuclei at given time
The neutrons slowed down by moderators are called as ____________
a) Slowed neutrons
b) Thermal neutrons
c) Fission neutrons
d) Moderated neutrons
Step by step
Solved in 2 steps
