diff options
Diffstat (limited to '3869/CH7/EX7.17/Ex7_17.sce')
| -rw-r--r-- | 3869/CH7/EX7.17/Ex7_17.sce | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/3869/CH7/EX7.17/Ex7_17.sce b/3869/CH7/EX7.17/Ex7_17.sce new file mode 100644 index 000000000..3e414933f --- /dev/null +++ b/3869/CH7/EX7.17/Ex7_17.sce @@ -0,0 +1,33 @@ +clear +// +// +// + +//Variable declaration +theta1=(30+(0/60))*%pi/180 //glancing angle(radian) +theta2=(35+(17/60))*%pi/180 //glancing angle(radian) +lamda=0.171 //wavelength(nm) +h1=1 +k1=1 +l1=0 +h2=2 +k2=0 +l2=0 +h3=1 +k3=1 +l3=1 + +//Calculation +d100=lamda/(2*sin(theta1)) //wavelength(nm) +d200=lamda/(2*sin(theta2)) //wavelength(nm) +a1=d100*sqrt(h1**2+k1**2+l1**2) +a2=d200*sqrt(h2**2+k2**2+l2**2) //lattice parameter in case of bcc +a3=d100*sqrt(h3**2+k3**2+l3**2) +a4=d200*sqrt(h2**2+k2**2+l2**2) //lattice parameter in case of bcc +d=a3/sqrt(2) //atomic diameter(nm) + +//Result +printf("\n lattice parameter in case of bcc are %0.3f nm and %0.3f nm which are not the same. hence the metal is not bcc",a1,a2) +printf("\n lattice parameter in case of fcc are %0.3f nm and %0.3f nm which are the same. hence the metal is fcc",a3,a4) +printf("\n atomic diameter is %0.5f nm",d) +printf("\n answer for atomic diameter given in the book varies due to rounding off errors") |