For an isolated crystal bounded by the planes A1, A2, with energies γ1 and γ2 the total surface energy will be given by _______

For an isolated crystal bounded by the planes A1, A2, with energies �

1.	For an isolated crystal bounded by the planes A1, A2, with energies γ1 and γ2 the total surface energy will be given by _______
A.	(A1 γ1) – (A2 γ2)
B.	(A1 γ1) / (A2 γ2)
C.	(A1- γ1)(A2- γ2)
D.	(A1 γ1) + (A2 γ2)
Answer» E.

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