A metal crystallizes into two cubic phases, face centred cubic (FCC) and body-centred cubic (BCC) whose unit cell lengths are 3.5 and 3.0 A0 respectively.The ratio of the densities of FCC and BCC.
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answer is 1.
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Detailed Solution
Density ofFCCDensity of BCC=ZFCC X a BCC3ZBCC x aFCC3 =4×3 A032 ×3.5 A03 =5442.875=1.259=1.26