blob: 8ee6f9d3f66cdf49347c13b6916822ea053f41cd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
clear;
clc;
printf("\nEx1.9\n");
//page no.-11
//given
rho=2170;.......//density of NaCl in kg/m^3
m=58.45;.........//molecular wt. of NaCl
n=4;...........//molecules per unit cell for F.C.C.
N=6*10^26;...//avagadro no.
M=(n*m)/N;..........//mass in each unit cell
//as density=mass/volume, so volume is a^3
a=(M/rho)^(1/3)......//lattice constant in Angstrom
printf("\nlattice constant is 5.64 angstrom\n");
|
