Q. The ratio of the radii of the nuclei$\ _{13}Al^{27}$ and $\ _{52\ }Te^{125}$ is approximately
A) $6:10$
B) $13:52$
C) $40:17$
D) $14:73$
Explanation
(a) $\frac{R_{1}}{R_{2}} = \left( \frac{A_{1}}{A_{2}} \right)^{1/3} = \left( \frac{27}{125} \right)^{1/3} = \frac{3}{5} = 6:10$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.