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In a chain reaction, neutrons released during the splitting of an initial nucleus trigger a series of nuclear fissions.
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What is meant by supercritical and how does it relate to making a nuclear bomb?
A subcritical mass cannot sustain a nuclear chain reaction, it dies exponentiallyA critical mass can sustain a nuclear chain reaction, but it remains constant neither increasing nor decreasingA supercritical mass not only sustains a nuclear chain reaction but it increases exponentially until the mass explodesA nuclear fission bomb must become supercritical at some time in order to explode.
What is the quantity of fissionable material called that CANNOT sustain a nuclear reaction?
Subcritical mass is the quantity of fissionable material that cannot sustain a nuclear reaction. When the amount of fissionable material is below the critical mass required to sustain a chain reaction, it is considered subcritical.
For a chain reaction to occur each vision must produce at least more fission reaction Apex?
In a chain reaction, each fission reaction must produce at least one additional fission reaction to sustain the reaction. This is necessary to achieve a self-sustaining nuclear reaction where each fission event leads to more fission events, releasing energy in the process. Without this multiplication of fission reactions, the chain reaction would not be able to continue and sustain itself.
What is the purpose of the graphite rods in a nuclear reactor?
Graphite rods in a nuclear reactor act as moderators, slowing down fast-moving neutrons to speeds at which they are more likely to cause fission in uranium fuel. This helps sustain the chain reaction necessary for power generation.
The primary purpose of a moderator used in a nuclear reaction is to?
control the rate of the nuclear reaction by slowing down neutrons to enhance the likelihood of fission events. This helps sustain a controlled chain reaction while preventing overheating and runaway reactions.
What element is used for nuclear weapons?
Uranium-235 and Plutonium-239 are the two primary elements used in nuclear weapons due to their ability to sustain a chain reaction necessary for a nuclear explosion.
What is meant by supercritical and how does it relate to making a nuclear bomb?
A subcritical mass cannot sustain a nuclear chain reaction, it dies exponentiallyA critical mass can sustain a nuclear chain reaction, but it remains constant neither increasing nor decreasingA supercritical mass not only sustains a nuclear chain reaction but it increases exponentially until the mass explodesA nuclear fission bomb must become supercritical at some time in order to explode.
What is the minimum amount of material needed to sustain a nuclear reaction?
The minimum amount of material needed to sustain a nuclear reaction depends on the type of reaction. For example, in a nuclear fission reaction, a critical mass of fissile material is needed to sustain a chain reaction. In a fusion reaction, high temperatures and pressures are needed to overcome the electrostatic repulsion between nuclei.
What is nuclear chain reaction?
A nuclear chain reaction is one in which the disintegration of one nucleus creates a cascade of nucleons which, in their turn, cause the disintegration of other nuclei and thus the process can sustain itself.
What is the quantity of fissionable material called that CANNOT sustain a nuclear reaction?
Subcritical mass is the quantity of fissionable material that cannot sustain a nuclear reaction. When the amount of fissionable material is below the critical mass required to sustain a chain reaction, it is considered subcritical.
For a chain reaction to occur each vision must produce at least more fission reaction Apex?
In a chain reaction, each fission reaction must produce at least one additional fission reaction to sustain the reaction. This is necessary to achieve a self-sustaining nuclear reaction where each fission event leads to more fission events, releasing energy in the process. Without this multiplication of fission reactions, the chain reaction would not be able to continue and sustain itself.
Fissionable material that cannot sustain nuclear reaction?
Fissionable material that cannot sustain a nuclear reaction on its own is called fissile material. Examples include uranium-238 and thorium-232. These materials can undergo fission when bombarded with neutrons but require additional enrichment or a moderator to sustain a chain reaction.
What is the purpose of a reaction chamber in a nuclear reactor?
The reaction chamber in a nuclear reactor is where the nuclear fission process takes place, leading to the release of energy. It contains the nuclear fuel and control rods that regulate the reaction. The purpose of the reaction chamber is to sustain and control the nuclear chain reaction that generates heat to produce electricity in a controlled manner.
What is the purpose of the graphite rods in a nuclear reactor?
Graphite rods in a nuclear reactor act as moderators, slowing down fast-moving neutrons to speeds at which they are more likely to cause fission in uranium fuel. This helps sustain the chain reaction necessary for power generation.
What metallic element is used in nuclear weapons?
Plutonium is the metallic element used in nuclear weapons. It is highly fissile, meaning it can undergo nuclear fission and sustain a chain reaction in a nuclear bomb.
The primary purpose of a moderator used in a nuclear reaction is to?
control the rate of the nuclear reaction by slowing down neutrons to enhance the likelihood of fission events. This helps sustain a controlled chain reaction while preventing overheating and runaway reactions.
What radioactive isotope is generally used to fuel a controlled nuclear chain reaction?
235U with a 5% enrichment of 238U is generally used to fuel a controlled nuclear chain reaction. In a navy nuclear application, such as a submarine, a higher enrichment of 238U is used, around 20%.
