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clear;
clc;
printf("\nEx1.10\n");
//page no.-12
//given
r=1.278;..........//atomic radius of Cu
n=4;..............//molecules per unit cell for F.C.C.
N=6.023*10^23;...//avagadro no.
m=63.5;..........//atomic wt. of Cu
M=(n*m)/N...........//mass of unit cell
a=(4*r*10^-8)/sqrt(2).....//lattice constant in cm
rho=M/a^3............//density of Cu in gm/c.c.
printf("\ndensity of Cu crystal is 8.9 gm/c.c.\n");
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