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How does nuclear radius R depend on mass number A?
AR ∝ A^1/3
BR ∝ A^3
CR ∝ A^2/3
DR ∝ A^1/2
Answer & Solution
Correct answer: A. R ∝ A^1/3
Constant nuclear density makes volume proportional to A, so radius goes as the cube root of A.
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