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What are the two types of radioactive material used in nuclear gauge?
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Are there any types of nuclear medicine that doesn't use radioactive isotopes?
All nuclear medicine techniques use radioactive isotopes.
Types of nuclear reactions are?
There are four types of nuclear reactions. Fusion Fission Radioactive Decay Artificial Transmutation
Nuclear power plant emergency plans are required to incorporate actions for which of the following types of radiological hazards?
Direct exposure to radiation from a plume of radioactive material
What are three types of nuclear decay?
The main three types are: Alpha, beta, and gamma nuclear radioactive decay. refer to the related question below.
What is the name for the emission of rays and particles by a radioactive material?
The name for the emissions of rays and particles by a radioactive material are called radioactive decay. There are many different types of radioactive decay that emit different rays and particles.
What are the types of radiation protection used by the military?
The military are very aware of the risks of radiation both from nuclear explosions and also from "dirty bombs" that spread radioactive material. The NBC suit is the military's primary line of protection.
What is the medical term for nuclear medicine test that measures thyroid function is?
The thyroid scan and a radioactive iodine uptake test (RAIU), also known as a thyroid uptake, are types of nuclear medicine imaging.
Does nuclear radiation go away?
No, it doesn't.Wrong, it does. There are 2 types of nuclear radiation: prompt & decay.Prompt nuclear radiation occurs for a period of time while the reaction that generates it is happening. Examples are the flash of neutrons, light, x-rays, etc. when a nuclear bomb explodes as well as the sustained neutron flux as a nuclear reactor is in operation. When the reaction stops, prompt nuclear radiation goes away.Decay nuclear radiation occurs as radioactive isotopes decay to different isotopes. As the decay happens (which is a probabilistic process) the radioactive isotope is consumed. This follows an exponential function with one half of the current amount of the radioactive isotope consumed in each period of time called a halflife. While there will always be a tiny residue of the original radioactive isotope, for practical purposes it is considered to be negligible after 5 halflives have passed. When 5 halflives of the radioactive isotope decaying have passed, decay nuclear radiation is considered to have gone away for practical purposes.
What is The spontaneous decay of an atom is called?
Nuclear decay.Different types of nuclear decay include:Alpha Decay, where the nucleus ejects a charged particle made of protons and neutrons.Beta Decay, where a neutron turns into a proton, a Beta particle (an electron or positron) and a neutrino.Gamma radiation can also be emitted in these processes.
What is the starting material for nuclear fission?
You must not ask "what element", but "what isotope". Uranium-235 is one example of an ISOTOPE that is appropriate for nuclear fission. Uranium-238 is the same for chemical reactions, but for purposes of nuclear reactions, different isotopes must be considered to be different types of atoms.
Which types of device includes any point source that emits radiation without actively dispersing radioactive material across an area?
Radiological Exposure Devices (REDs)
Can an improperly operated nuclear power plant explode like a nuclear weapon?
Nuclear reactors can not explode like a nuclear bomb. A lot of bad things can happen, but that is not one of them. Nonnuclear Explosion: First, it is useful to distinguish "normal" explosion from nuclear bomb. (We'll get to the bomb part shortly.) Explosions of many kinds can occur and they can occur at nuclear power plants and reactors just as anywhere else. It is not odd to have a steam powered explosion at a power plant whether it is nuclear or coal or gas because all of these types of power plants are converting heat into mechnical energy through a trubine or similar machine and the turbine generates electricity. The heat creates steam at high pressure and a mechanical failure can result in an explosion. An explosion of the sort caused by excess heat or mechanical failure counts as one resulting from mismanagement. Explosions can be caused by humans too. A human can place a regular bomb at a nuclear power plant or a human can fire a missile at a power plant and then the power plant, nuclear or not, explodes. Nuclear Bomb Explosions: The principle behind a nuclear bomb is the idea of the chain reaction. Nuclear fission is the process of a large nucleus, like uranium, breaking apart into smaller pieces and releasing energy in the process. When one nucleus decays, it causes other nuclei to decay and they in turn cause more. Such is a chain reaction, it feeds itself and the process grows and results in an explosion as long as there is enough fuel. That last part is the key because you can't make a nuclear bomb explode (or any bomb) if you run out of fuel. Now, we get to the part about "weapons grade" nuclear material. A nuclear weapon requires a high concentration of fissionable material of the proper type and enough of it and a way to keep it in place long enough for the chain reaction to produce enough energy to be a bomb. Nuclear reactors are not built with weapons grade material. That is essential. Further, the elaborate process of containment to hold the bomb material in place requires special engineering and that is not in a nuclear reactor. The quantity of material required for a bomb is very very large unless it is highly purified and it is not so purified in nuclear reactors. No mismanaged nuclear plant, no nuclear plant accident of any kind, can cause a massive nuclear explosion like the blast of a nuclear weapon. Nuclear Powered (non-bomb) Explosions: Though a reactor can't explode like a nuclear bomb, the explosions that can occur are extremely dangerous and can spew radioactive materials widely, they are just not nuclear bomb explosions. Usually the explosions allow the radioactive core of reacting material to overheat and the radioactive material from several separate areas may combine and further heat, enhancing the ongoing nuclear chain reactions. It is not possible to go through explanations of the various scenarios, but under the worst conditions, the heated material explodes like a regular bomb and spreads itself over a large area destroying everything nearby. It is not nearly as large as a true nuclear bomb which can level a city. What is does do is spead a lot of radioactive material around. The process does not even have to explode to do that, it can just heat up enough to vaporize radioactive materials that are then released. All of the examples of nuclear reactor disasters fall into the category on non-bomb disasters. All were and will be the type that creates and disperses harmful radioactive material and that is the core of the problem. Final Note: Though no sane design of a nuclear reactor could explode like a nuclear bomb, the process of making the materials the reactor uses is a process that could potentially make weapons grade material. Further, the used fuel can serve as a starting material for bomb making. In that case, it is not the reactor but the treatment of material before or after that can be directed towards a weapon. The subject gets very complicated and this little description could not provide a person with enough information to say they understand it. More reading is recommended.
