JEE Advanced 2020 Full Test 2 Paper 1

Question : 23 of 54

Marks: +1, -0

Which of the following information(s) is/are incorrect regarding the voids formed in three dimensional HCP of identical spheres?

A tetrahedral void is formed when a sphere of the second layer is present above the triangular void of the first layer.
All the triangular voids are not covered by the spheres of the second layer.
Tetrahedral voids are formed when the triangular voids in the second layer lie above the triangular voids in the first layer and the triangular voids in the first layer and the triangular shapes of these voids do not overlap.
Octahedral voids are formed when the triangular voids in the second layer exactly overlap with similar voids in the first layer.

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