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The difference between fast and slow neutrons is in the amount of energy they possess. Fast neutrons tend to "blow through" the nucleus of some isotopes. This causes a disruption but, because they don't stay around, the nucleus restabilizes. Slow, or thermal, neutrons, however, may get absorbed by the same nucleus, which then destabilizes, causing fission.
It should be pointed out that nuclei of different isotopes are affected differently by neutrons. 238U is caused to divide more frequently by a faster neutron, while 235U is caused to divide more frequently by thermal (slower) neutrons, and 233U is caused to divide more or less equally by any.
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What is the difference between slow and fast FHSS?
The difference between slow and fast FHSS is the speed of the transmitting radio signals. Both have signals that are difficult to intercept.
Why moderator is not required in fast reactors?
a moderator would slow the neutrons, hindering breeding
What is the function of a moderator in a reactor?
It is to slow down the neutrons produced in fission. U-235 and Pu-239 capture slow neutrons much more readily than they do fast neutrons, so it makes the chain reaction much more efficient.
What is the function of graphite in a nuclear reactor?
It's purpose is to slow down fast neutrons that maybe present in the reactor.
Why not fast neutron use in fission?
Because slow neutrons are the most efficient way to cause U235 to fission. The U235 nucleus is said to have a large cross section for the capture of slow neutrons, much larger than for fast neutrons.
What is the difference between slow and fast FHSS?
The difference between slow and fast FHSS is the speed of the transmitting radio signals. Both have signals that are difficult to intercept.
What is the difference between slow and fast erosion?
slow is when the gravity pushes u down and fast is when u run
What are the difference between slow ice and fast ice?
tee hee
What is the difference between slow pitch softballs and fast pitch softballs?
One is thrown slow and the other is thrown fast.
Why you use slow neutrons instead of fast neutrons in nuclear reaction?
in reacter U-235 fission is due to slow neutrons because in reacter the probability of fission from fast neutron is approximatly zero.
What is the difference between succession and slow succession?
Slow succession happens slow and Succession happens very fast. Simple!
Are there fast neutrons?
Yes, in fact for a sustainable nuclear chain reaction to work, you have to slow neutrons down.
What is the difference between fast fading and slow fading?
In a business presentation the points of interest change through the presentation. How fast the screen presentation changes depends on whether you use fast fade between slides or slow fade
Is moderation of neutrons always used to slow nuclear fission?
No, moderation of neutrons is not always used to slow nuclear fission. In some types of nuclear reactors, such as fast breeder reactors, fast neutrons are intentionally not moderated to slow down the fission process. These reactors operate using fast neutrons to sustain a chain reaction. However, in most commercial nuclear reactors, moderation of neutrons is employed to slow down the fission process and maintain a controlled chain reaction.
What is a difference between turtles and fishes?
a fish is fast and breathes in water and a turtel is slow and green
What is the difference between a fast and a slow metabolism?
With a fast metabolism you burn fat faster and with a slow metabolism you burn fat slower. It's good to have a fast one because you don't have to watch what you eat as much.
Why moderator is not required in fast reactors?
a moderator would slow the neutrons, hindering breeding
