What is the strength of the Burgers vector for dislocations in FCC str

1.	What is the strength of the Burgers vector for dislocations in FCC structure?
A.	a/‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ2
B.	a‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3/2
C.	3a/‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ2
D.	a/2
Answer» B. a‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3/2

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