A) 216 : 125
B) \[\sqrt{216}:\sqrt{125}\]
C) 6 : 5
D) None of these
Correct Answer: C
Solution :
Nuclear radius is proportional to \[{{A}^{1/3}},\]where A is the mass number of nucleus. \[R={{R}_{0}}{{A}^{1/3}}\] where \[{{R}_{0}}=1.2fm\] \[\frac{{{R}_{1}}}{{{R}_{2}}}=\frac{{{R}_{0}}{{(216)}^{1/3}}}{{{R}_{0}}{{(125)}^{1/3}}}=\frac{6}{5}\]
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