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The ratio of closed packed atoms to tetr...

The ratio of closed packed atoms to tetrahedral holes in cubic close packing is `:`

A

`1:1`

B

`1:2`

C

`1:3`

D

`2:1`

Text Solution

Verified by Experts

The correct Answer is:
b
Every constituent has two tetrahedral voids.
In `c.c.p. ` lattice, atoms
`=8xx(1)/(8)+6xx(1)/(2)=4`
`:. ` Tetrahedral void `=4xx2=8`
Thus ratio`=4:8::1:2`
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