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According to the 710 Rule of Thumb, the exposure rate from a nuclear detonation decreases by a factor of 10 for each sevenfold increase in time after the event. Therefore, if the exposure rate is 500 R/hr one hour after detonation, after 14 days (which is approximately 336 hours or about 336/7 = 48 times the initial time), the exposure rate would decrease significantly. Applying the rule, the exposure rate would be approximately 0.5 R/hr after 14 days.
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Why is plutonioum 239 considered dangerous?
Plutonium-239 is considered dangerous due to its high radioactivity and long half-life of 24,100 years, which poses a significant health risk through radiation exposure. It is also a fissile material, capable of sustaining a nuclear chain reaction, making it a key component in nuclear weapons. Additionally, its toxicity and potential for environmental contamination further amplify its dangers, especially if it is improperly handled or disposed of.
What is a real world example of nuclear energy?
Nuclear power stations.
What does the 235 mean in U-235?
The "235" in U-235 refers to the atomic mass number of the isotope of uranium. This number indicates that the nucleus of this isotope contains 92 protons and 143 neutrons, resulting in a total atomic mass of approximately 235 atomic mass units. U-235 is significant in nuclear reactions, particularly in nuclear fission, as it can sustain a chain reaction.
What force works from a distance?
Gravitational, electrostatic, strong nuclear, and weak nuclear
What does Einsteins E equals mc2 have to do with nuclear reactions?
E = mc2 means that energy and mass are 2 forms of the same thing. In the equation, E stands for energy, m for mass and c for the speed of light. In a nuclear reaction, the nuclei of unstable atoms such as Uranium-236 break into 2 daughter nuclei and free neutrons. However, not all of the mass of the parent nucleus is transferred to these particles. A small amount is converted to heat energy according to this equation. Because the speed of light is such a large quantity (around 300,000 m/s), and it is then squared, a very small amount of mass can be converted into vast quantities of energy. In the 'Little Boy' bomb dropped on Hiroshima in World War 2, around 0.6g of mass was converted to energy, yet it released energy equivalent to the detonation of between 13,000 and 18,000 tons of TNT.
What type of radiation emitted during a nuclear detonation and from fallout results in whole body exposure?
Gamma radiation
When was the first detonation of a nuclear bomb?
1945
When was the detonation of the first nuclear bomb?
1945
What makes up the energy released in a nuclear detonation?
nuclear binding energy
What type nuclear detonation creates a huge crater with mushroom cloud?
A nuclear detination
What puts off the most effect of a nuclear detonation?
blast
What the largest percent of energy released in a nuclear detonation?
blast
Largest percent of energy released in a nuclear detonation?
Blast effect
Smallest percent of energy released in a nuclear detonation?
radiation effect
What is the largest percentage of energy released in a nuclear detonation?
blast affect
Which type of nuclear detonation creates a huge crater?
Surface Burst
What type of nuclear detonation occurs below 100000 ft?
airburst
