Q 12-13-138NEETNEET 2022Top questionEasy
A nucleus of mass number $189$ splits into two nuclei having mass number $125$ and $64$. The ratio of radius of two daughter nuclei respectively is
Answer: (D) $5 : 4$
Nuclear radius $R = R_0A^{1/3}$.
$$\frac{R_1}{R_2} = \left(\frac{125}{64}\right)^{1/3} = \frac{5}{4}$$
Solution by Sreeraj P, M.Sc Physics