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If a be the edge length of the unit cell...

If a be the edge length of the unit cell and r be the radius of an atom, then for fcc arrangement, the correct relation is

A

`4a = sqrt( 3) r`

B

`4r = sqrt( 3) . a `

C

`4r = sqrt( 2) a `

D

` 4 r = ( a)/( sqrt( 2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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