Question

Two nuclei have mass number in the ratio 1:8, what is the ratio of their nuclear radii?

Answer 1

$A_1=1$ $,$ $A_2=8$

$R_1/R_2={\left(A_1/A_2\right)}^3$

therefore by putting the values$.$ ratio in radii wil be $1:2$

we get$,$ $1:2$