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Almost all modern nuclear explosive devices use some of each. The early atomic bombs used only fission. All hydrogen bombs use both fission and fusion.

Some things you might want to look up are: boosted fission bomb, external electrical fusor neutron source, the plutonium "fission sparkplug" used in each stage of a hydrogen bomb, depleted uranium hydrogen bomb tamper can provide up to 90% of the total yield through fast fission.

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Q: Do nuclear bombs use nuclear fusion or fission?
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What kind of nuclear reaction does an atomic bomb use?

Fission bombs use fission. Fusion bombs use fusion. Although atomic bomb is usually used for fission bombs, it technically applies equally to either.


Why are thermonuclear bombs are more disastrous than nuclear bombs?

Nuclear bombs use nuclear fission of some heavy element, usually uranium or plutonium. Thermonuclear bombs use the detonation of a fission bomb to ignite the fusion of hydrogen. Such weapons are more powerful than ordinary nuclear weapons because nuclear fusion releases more energy than nuclear fission, and because the process of fusion itself can be used to ignite more fission.


Do H-bombs deal with fission?

To some degree. Hydrogen bombs release energy via nuclear fusion, but they use a fission reaction to trigger the fusion.


Are nuclear bombs made with nuclear fusion?

some are, some aren't. they use fission, fusion, or both (in various amounts depending on desired effects).


Which do you currently use nuclear fusion or fission?

Fission


What are fusion and fission with respect to nuclear physics?

Fission is a nuclear reaction where a heavy atom is split up into lighter elements, thereby producing energy. Fission is commonly used in nuclear power plants, but someday they will use fusion. Fusion is a nuclear reaction where very light elements are fused together under enormous heat and pressure into heavier elements, thereby producing energy. The Sun and all the stars are fusion reactors. Thermonuclear bombs (H-bombs) use fission (an A-bomb) to produce the heat needed for fusion.


Is it true or false atomic bombs work by atomic fisson?

yes, both true & false. They can work either by fission or some combination of fission & fusion. Most modern nuclear bombs use both fission & fusion to optimize for mission, size, weight, cost, etc. Total yield can vary from 100% fission to more than 95% fusion.


What is nuclear fusion and fission use for?

Nuclear fission is used as the principle of operation for a total of 104 nuclear power reactors in the US, producing 806.5 billion KWh of electricity in 2007. Worldwide figures in 2006 were 2659.7 billion KWh. Nuclear fusion has no use at present except in H-bombs, which hopefully will never be used in anger.


Does a MRI machine use nuclear fusion or fission?

it uses nuclear fusion-I don't think so!! It uses electrical energy to move the magnetic fields around in order to scan the subject. Nuclear fusion is not used for any purpose on earth except H-bombs


Is nuclear fusion more dangerous then nuclear fission?

We don't know much about fusion as it is still very experimental. It will not produce the dangerous fission products that fission does, but it may have other dangers unknown as yet. Nuclear fusion has more destructive potential than fission. Fusion is the principle powering the H-bomb developed in the Cold War. Just to put the power of a Fusion bomb in perspective, it is detonated by a fission bomb half the size of the one dropped on Japan. THAT'S JUST THE DETONATOR.


How do you use fission and fusion in a nuclear power plant?

We don't yet know how to use fusion in a power plant. All nuclear power plants use fission only. Fusion is much harder, but will be better if we can figure it out.


3 advantages nuclear fusion has over nuclear fission?

The binding energy (Strong Atomic Force) released is much greater when fusion occurs than when fission occurs. As an example, that is why fission bombs typically have yields around 100 to 500 kilotons of equivalent TNT, while fusion bombs typically have yields in the 25 to 50 megaton range. The problem is that fusion requires a lot of energy to initiate - in fact, most fusion bombs use a fission bomb to set them off.