diff options
Diffstat (limited to '3875/CH11/EX11.16/11_16.sce')
| -rw-r--r-- | 3875/CH11/EX11.16/11_16.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3875/CH11/EX11.16/11_16.sce b/3875/CH11/EX11.16/11_16.sce new file mode 100644 index 000000000..799cd889e --- /dev/null +++ b/3875/CH11/EX11.16/11_16.sce @@ -0,0 +1,15 @@ +clc;
+clear;
+lambda=0.154 //wavelength in nm
+theta1=20 //angle in degree
+theta2=29 //angle in degree
+h=1 //x intercept of parallel plane
+k=1 //y intercept of parallel plane
+l=0 //z intercept of parallel plane
+//calculation
+ratio=sind(theta1)^2/sind(theta2)^2 //ratio of sin^2 theta values of first and second angles
+alpha=(lambda/2)*sqrt((sqrt(h^2+k^2+l^2))/sind(theta1)^2)
+
+mprintf("The crystal structure is bcc since the ratio is %1.1f\n",ratio)
+mprintf("lattice constant alpha = %0.3f nm\n",alpha) // The answer provided in the textbook is wrong
+mprintf("The element is tungsten since this lattice constant of %0.3f nm and crystallizes in the bcc structure",alpha) //The answer provided in the textbook is wrong
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