[" A metal crystallizes in "2" cubic phases "],[" fcc and bcc whose unit cell lengths are "],[3.5 AA" and "3.0" A respectively.The ratio "],[" of their densities is "]

A metal crystallịses into two cubic phases, fcc and bcc whose unit cell lengths are 3.5 and 3 A^circ respectively. Calculate the ratio of densities of fcc and bcc.

A metal crystallise into two cubic phases FCC and BCC whose unit cell lengths are 2.5 and 2.0 A^0 respectively, the ratio of densities of BCC and FCC

A metal crystallises in two phases, one as fcc and other as bcc with unit cell edge length of 3.5 Å and 3.0 Å respectively. The ratio of density of fcc and bcc phases approximately is

A metal crystallizes into two cubic phases, face-centred cubic and body-centred cubic, which have unit cell lengths 3.5 and 3.0 A , respectively. Calculate the ratio of densities of fcc and bcc.