What does the following figure depict?

3D cubic close packing

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2D square close packing

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1 dimensional packing

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2D hexagonal close packing

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Solution

The correct option is D
2D hexagonal close packing

The Spheres in the second row are seated in depressions of the first row so it is a 2 D hexagonal close packing.

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Similar questions

What is the distinguishing layer between hexagonal close packing and cubic close packing?

	Column I		Column II
(i)	Square close packing in two dimension	(p)	Triangular voids
(ii)	Hexagonal close packing in two dimensions	(q)	Pattern of spheres is repeated in every fourth layer
(iii)	Hexagonal close packing in three dimension	(r)	Coordination number=4
(iv)	Cubic close packing in three dimension	(s)	Pattern of spheres is repeated in alternate layers

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