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A moderator is a material that slows fast neutrons.

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13y ago

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Does nuclear energy contain water?

no. most reactors use water as coolant and/or moderator, but nuclear energy is energy and contains no matter.


What do you have to do to get nuclear energy?

You have to build a nuclear reactor which is an assembly of nuclear fuel and a moderator, which enables a chain fission reaction to start and continue, which releases thermal energy.


Nuclear energy is energy?

Nuclear energy is energy produced through nuclear reactions in power plants. It is a reliable and efficient source of electricity with low carbon emissions, but there are concerns about nuclear waste disposal and the potential for accidents.


Why moderator is not used in case of fast breeder reactor?

Moderator is not used in case of fast breeder reactor because there is no need to slow down neutron energy. Nuclear fission takes place at high energy of neutrons.


What is the biggest concerns about nuclear energy?

Some of the biggest concerns about nuclear energy include the risk of accidents leading to radiation leaks, the long-term storage of nuclear waste, and the potential for nuclear proliferation and weapons development. Additionally, the high costs of building and maintaining nuclear power plants can be a significant concern.


An accident at Three Mile Island in 1979 led to increased concerns about which form of energy?

nuclear energy.


What energy source has been most affected by safety concerns?

natural gas apex


In a nuclear reactor why does the moderator need to slow down the neutrons?

Nuclear fission of Uranium-235 is more efficient when hit by neutrons with low energy of the order of electron volts. However, neutrons coming from fission are at high energies around 2 megaelectron volt. Accordingly, the moderator is needed to slow down the neutrons coming from fission to low energy values through scattering process with moderator molecules. This is the concept of the so called "thermal nuclear reactors"


Relating to atomic energy?

Atomic energy is the energy released from splitting (nuclear fission) or combining (nuclear fusion) atoms. It is used in nuclear power plants to generate electricity and in nuclear weapons for explosive purposes. The use of atomic energy has both benefits, such as providing a relatively clean energy source, and concerns, such as nuclear accidents and nuclear proliferation.


What energy cannot be used?

Nuclear energy cannot be directly harnessed for everyday use due to safety concerns and regulatory restrictions related to nuclear reactors.


Do moderator in nuclear reactor slows down the neutrons emitted during fission?

Yes, it is the main moderator function in what is called "thermal nuclear reactors"


What is nuclear energy i don't understand?

Nuclear energy is electricity generated through the process of nuclear fission, where the nucleus of an atom is split to release energy. This energy is then captured and used to produce electricity in nuclear power plants. It is a low-carbon energy source but comes with concerns about safety and nuclear waste management.