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Which of the following is not true about...

Which of the following is not true about the voids formed in 3 dimensional hexagonal close packed structure?

A

A tetrahedral void is formed when a sphere of the second layer is present above trianglar void in the first layer.

B

All the triangular voids are not covered by the spheres of the second layer.

C

Tetrahedral voids are formed when the triangular voids in the second layer lie above the triangular voids in the first layer and the triangular shapes of these voids do not overlap.

D

Octahedral voids are formed when the triangular voids in the second layer exactly overlap with simlar voids in the first layer.

Text Solution

Verified by Experts

The correct Answer is:
C, D
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