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NEET 1995 (AIPMT) · Nucleus: Composition, Size & Nuclear Force

Nucleus: Composition, Size & Nuclear Force question from NEET 1995 (AIPMT)

Q40NEET 1995 · AIPMTEasy

Nucleus: Composition, Size & Nuclear Force

The mass number of He is 4 and that of sulphur is 32. The radius of sulphur nucleus is larger than that of helium by the factor of

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Answer: (b)

$R \propto A^{1/3}$ , so $\frac{R_S}{R_{He}} = \left(\frac{32}{4}\right)^{1/3}$ .
$= 8^{1/3} = 2$
So the answer is (b) 2.

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