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NEET2015Physics-Nuclear Physics

NEET 2015 Physics Nuclear Structure MCQ Question

Type: MCQ-numerical-Medium-Class 12

If radius of the $^{27}_{13}Al$ nucleus is taken to be R_{Al} then the radius of $^{125}_{53}Te$ nucleus is nearly

A

$\left( \frac{53}{13} \right)^{1/3} R_{Al}$

B

$\frac{5}{3} R_{Al}$

C

$\frac{3}{5} R_{Al}$

D

$\left( \frac{13}{53} \right)^{1/3} R_{Al}$

Correct Answer

Option A

Detailed Explanation

The nuclear radius is proportional to the cube root of the mass number. Therefore, $R_{Te} = R_{Al} \left( \frac{125}{27} \right)^{1/3}$ .

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