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In a close-packed body-centred cubic lat...

In a close-packed body-centred cubic lattice of potassium, the correct relation between the atomic radius ( r) of potassium and the edge length (a) of the cube is -

A

`r=a/sqrt2`

B

`r=a/sqrt3`

C

`r=sqrt3/2a`

D

`r=sqrt3/4a`

Text Solution

Verified by Experts

The correct Answer is:
D
For body-centred cubic lattice, r = `sqrt3/4a`.
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