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The distance between an ocatahral and ...

The distance between an ocatahral and tetrahedral void in fcc lattice would be:

A

`sqrt3a`

B

`(sqrt3a)/2`

C

`(sqrt3a)/3`

D

`(sqrt3a)/4`

Text Solution

Verified by Experts

The correct Answer is:
D
In fcc lattice -
`O.H.V to "At centre of unit cell"`
`T.H.V. to 1/4` of distance along body diagonal from corner.
length of body diagonal `=sqrt3a`
`therefore" distance between OHV and THV is "=(sqrt3a)/(4)`
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