The packing efficiency of the two dimensional square unit cell shown below is :

39.27 %

78.54 %

74.05 %

68.02 %

Question

The packing efficiency of the two dimensional square unit cell
shown below is :

39 27 %
78 54 %
74 05 %
68 02 %

veena Vasandani · Accepted Answer

This is a face centered cubic cell and has a packing efficiency of
74 05%