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A solid has a b.c.c. structure . If the ...

A solid has a `b.c.c.` structure . If the distance of closest approach between the two atoms is `1.73 Å`. The edge length of the cell is `:`

A

`sqrt(2)p m`

B

`sqrt((3//2))p m`

C

`200 p m`

D

`142.2p m`

Text Solution

Verified by Experts

The correct Answer is:
3
`2r=(sqrt(3)a)/(2)rArra=(2(2r))/(sqrt(3))=(2xx1.73)/(1.73)=2A=200p m`
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