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NEET 2012 (AIPMT, Prelims) · Nucleus: Composition, Size & Nuclear Force

Nucleus: Composition, Size & Nuclear Force question from NEET 2012 (AIPMT, Prelims)

Q28NEET 2012 · AIPMT · PRELIMSEasy

Nucleus: Composition, Size & Nuclear Force

If the nuclear radius of 27Al is 3.6 fermi, the approximate nuclear radius of 64Cu in fermi is

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Answer: (c)

$R \propto A^{1/3}$ , so $R_{Cu} = R_{Al}\left(\frac{64}{27}\right)^{1/3}$ .
$= 3.6 \times \frac{4}{3} = 4.8$ fermi
So the answer is (c) 4.8.

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