Mumbai University > First Year Engineering > Sem 1 > Applied Physics 1

Marks: 7M

Year: May 2016

Given:

Nearest neighbor distance, $a = 2r=0.27 nm=0.27 \times 10^{-9} m$

Atomic weight of zinc=65.37

The height of the unit cell, h= 0.494 nm

Find:

(i) Volume of unit cell

(ii) Density

(iii) Atomic Packing fraction

Solution:

1. The volume of the unit cell, V:

   The volume of the HCP unit …