If ′ a ′ stands for the edge length of the cubic systems: simple cubic, body centred cubic and face centred cubic, then the ratio of radii of the spheres in these system will be respectively -

Question

If ′ a ′ stands for the edge length of the cubic systems: simple cubic, body centred cubic and face centred cubic, then the ratio of radii of the spheres in these system will be respectively -, 1 2 a : 3 2 a : 2 2 a, 1 a : 3 a : 2 a, 1 2 a : 3 4 a : 1 2 2 a, 1 2 a : 3 a : 1 2 a

MARKS App · Accepted Answer

For the different unit cells the relation between 'a' & 'r' is: s c 2 r = a f c c 4 r = 2 a b c c 4 r = 3 a

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