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 ration of densities of fcc and bcc.A. 3.12B. 2.04C. 1.26D. 0.72

A metal crystallizes into two cubic phases, face-centred cubic and bod

1.	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 ration of densities of fcc and bcc.A. 3.12B. 2.04C. 1.26D. 0.72
Answer» Correct Answer - C `d = (ZM)/(a^(3)N_(A)) (d_(1))/(d_(2)) = (4)/((3.5)^(3)) xx ((3)^(3))/(2) = 1.26`

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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 ration of densities of fcc and bcc.A. 3.12B. 2.04C. 1.26D. 0.72

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