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The edge lengths of the unit cells in te...

The edge lengths of the unit cells in terms of the radius of spheres constituting fcc, bcc and simple cubic unit cell respectively

A

`2sqrt(2r),(4r)/(sqrt(2)),2r`

B

`(4r)/sqrt(3),2sqrt(2)r,2r`

C

`2r,2sqrt(2r),(4r)/sqrt(3)`

D

`2r,(4r)/sqrt(3),2sqrt(2)r`

Text Solution

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The correct Answer is:
A
Note: Distance between two atoms is always measured from their centres.
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