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A metal crystallizes into two cubic phas...

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

2

B

1.26

C

3.34

D

1.8

Text Solution

Verified by Experts

The correct Answer is:
C
`rho_1/rho_2 = Z_1/Z_2 xx ( (a_2)^3)/((a_1)^3)`
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