1.

For pane (1 1 1) of FCC having a lattice parameter a , planar atomic density is given by?

A. 2.31/a<sup>2</sup>
B. 2.31/a<sup>3</sup>
C. 1.31/a<sup>2</sup>
D. 1.31/a<sup>3</sup>
Answer» B. 2.31/a<sup>3</sup>


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