A nucleus splits into two nuclear parts having radii in the ratio `1:2` Their velocities are in the ratio

A nucleus at rest splits into two nuclear parts having radii in the ratio 1 : 2. Their velocities are in the ratio

A nucleus at rest splits into two nuclear parts having same density and radii in the ratio 1 : 2. Their velocities are in the ratio,

The radii of two drops are in the ratio of 3 : 2, their terminal velocities are in the ratio

A nucleus X^(235) splits into two nuclei having the mass numbers in the ratio 2:1 . The ratio of the radii of those two nuclei is

A nucleus splits into two nuclear parts which have their velocity ratio equal to 5 : 1 . What will be the ratio of their nuclear radius ?