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30 October, 09:42

When one fission reaction instigates exactly one more fission reaction it is called?

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Answers (2)
  1. 30 October, 10:10
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    It is a controller chain reaction
  2. 30 October, 12:25
    0
    Answer: controller.

    Justification:

    A fission reaction is the split of the nucleus of an atom due to the bombardment with neutrons.

    A fission reaction may terminate in a reaction chain, a controlled reaction or extinguish.

    When for every 2 or 3 neutrons released, only one neutron is allowed to strike a fissionable nucleus, the reaction is controlled.

    When the the ratio is less than one then the reaction will be extinguished.

    When the number of reactions grow, this is a reaction chain, where the reaction is out of control, and the consequence is the release of vast amount of energy (heat) is a short time, causing a nuclear explosion.
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