diff options
Diffstat (limited to '3875/CH11/EX11.20/Ex11_20.sce')
| -rw-r--r-- | 3875/CH11/EX11.20/Ex11_20.sce | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/3875/CH11/EX11.20/Ex11_20.sce b/3875/CH11/EX11.20/Ex11_20.sce new file mode 100644 index 000000000..21b6c92bd --- /dev/null +++ b/3875/CH11/EX11.20/Ex11_20.sce @@ -0,0 +1,22 @@ +clc;
+clear;
+tetha_A=21 //Braggs angle in degree
+tetha_B_degree=21 // part of Braggs angle in degree
+tetha_B_minute=23 //part of Braggs angle in minute
+h=1 //x intercept of parallel plane
+k=1 //y intercept of parallel plane
+l=1 //z intercept of parallel plane
+lambda=0.152 //wavelength of xray in nm
+
+//calculation
+//case(1) for sample A
+d_111=lambda/(2*sind(tetha_A))
+a=d_111*sqrt(h^2+k^2+l^2)
+mprintf("\nThe lattice parameter of sample A is= %1.3f nm\n",a)
+
+//case(2) for sample B
+tetha_B_decdeg=tetha_B_degree+(tetha_B_minute/60)
+d_111=lambda/(2*sind(tetha_B_decdeg))
+a=d_111*sqrt(h^2+k^2+l^2)
+mprintf("The lattice parameter of sample B is = %1.3f nm\n",a)
+mprintf("The lattice parameter of sample B is the same as that of pure copper.Therefore sample B is high purity copper.The lattice parameter of sample is 1.75 percent higher than that of pure copper.Sample B is not pure and the presence of impurity atoms has caused strain in the crystal line.")
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