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A metal crystallises in a face centred c...

A metal crystallises in a face centred cubic structure.If the edge length of its unit is 'alpha', the closest approach between two atoms in metallic crystal will be :

A

`2 alpha`

B

`sqrt2 alpha`

C

`2sqrt2 alpha`

D

`alpha/sqrt2`

Text Solution

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The correct Answer is:
D
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