Just for a simplicity consider a pure substance B. By analogy with the – McqOptions

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1.	Just for a simplicity consider a pure substance B. By analogy with the migration of a high-angle grain boundary the net flux of B across the interface will produce an interface velocity v given by____(Interface mobility is given as M, Molar volume V, and the driving force is given as )
A.	M /V
B.	M +V
C.	M/ *V
D.	MV/
Answer» B. M +V

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