[" A metal crystallizes in 2cubic phases fcce "],[" Q.and bcc whose unit cell lengths are "3.5 AA],[" 37and "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 into two cubic lattics fee and bee whose edge lengths are 3.5 A and 3.0A respectively. Calculate the ratio of densities of fee and bee lattices.

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