Question

plzzz answer me its very important
answer is √2​

Answer 1

$= \sqrt{2} = 1.4142$
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Answer 2

The nuclear force is powerfully attractive between nucleons at distances of about 1 femtometre (fm, or 1.0 × 10−15 metres), but it rapidly decreases to insignificance at distances beyond about 2.5 fm.