If a stands for the edge length of the cubic sys tems simple

Last updated: 6/30/2023

If a stands for the edge length of the cubic sys tems simple cubic body centred cubic and face centred cubic then the ratio of radii of the spheres in these system will be respectively 1 1 a 3a 2 3 la 3a 2 a 3 2 2 1 3 2 a 2 1 3 4 a 1 a 2