What is interplaner spacing for {1 1 1} planes in BCC?

1.	What is interplaner spacing for {1 1 1} planes in BCC?
A.	a/2‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3
B.	a/‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ2
C.	a/2
D.	a‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3/2
Answer» B. a/‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ2

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