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Define and explain K-factor (multiplicat...

Define and explain K-factor (multiplication factor) with respect to a nuclear fission chain reaction.

Text Solution

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`K=(N_(p))/(N_(A)+N_(L)`
Where, `N_(p)`=Number of neutrons produced
`N_(A)`=Number of neutrons absorbed
`N_(L)`=Number of neutrons lost.
If `K=1`, then the chain reaction becomes uncontrollable. The reactor becomes super critical and explode.
If `K lt 1` then the chain reaction will not be self-sustained.
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