Question

Which of the following is CORRECT for the two dimensional arrangement of spheres given below?

विकल्प

• This arrangement is called as AAAA type.

• The free spaces (voids) are triangular in shape.

• It is called square close packing in two dimension.

• Coordination number of each sphere is 8.

Answer 1

The free spaces (voids) are triangular in shape.

Explanation:

In two dimensions, the given figure depicts hexagonal close packing. This configuration is known as the ABAB type, and each sphere has a coordination number of six.