A metal crystallises into two cubic phases, face centred cubic (fcc) and body centred cubic (bcc), whose unit cell lengt

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Q 1138656502.     A metal crystallises into two cubic phases, face centred cubic (fcc) and body centred cubic (bcc), whose unit cell lengths are `3.5` and `3.0 Å`, respectively. Find the ratio of densities of fcc and bcc.
JEE 1999
A

`1.5`

B

`1.26`

C

`1.64`

D

`0.5`

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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