Nuclei - Result Question 19

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21. The ratio of the radii of the nuclei $ _{13} A l^{27}$ and $ _{52} Te^{125}$ is approximately

======= ####21. The ratio of the radii of the nuclei $ _{13} A l^{27}$ and $ _{52} Te^{125}$ is approximately

3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed:content/english/neet-pyq-chapterwise/physics/nuclei/nuclei—result-question-19.md (a) $6: 10$

(b) $13: 52$

(c) $40: 177$

(d) $14: 73$

[1990]

Topic 2: Mass-Energy & Nuclear Reactions

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Answer:

Correct Answer: 21. (a)

Solution:

(a) $R \propto(A)^{1 / 3}$

$\therefore R _{A l} \propto(27)^{1 / 3}$ and $R _{T e} \propto(125)^{1 / 3}$

$\therefore \frac{R _{A l}}{R _{T e}}=\frac{3}{5}=\frac{6}{10}$