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author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3411/CH5/EX5.18/Ex5_18.sce | |
parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3411/CH5/EX5.18/Ex5_18.sce')
-rw-r--r-- | 3411/CH5/EX5.18/Ex5_18.sce | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/3411/CH5/EX5.18/Ex5_18.sce b/3411/CH5/EX5.18/Ex5_18.sce new file mode 100644 index 000000000..6e32f24a0 --- /dev/null +++ b/3411/CH5/EX5.18/Ex5_18.sce @@ -0,0 +1,12 @@ +//Example 5_18
+clc();
+clear;
+//To find out the planes which gives reflection
+lamda=0.154 //units in nm
+theta=90 //units in degrees as sin(theta) is maximum at 90 degrees
+d=lamda/(2*sin(theta*%pi/180)) //units in nm
+D=0.228 //units in nm
+hkl=(2*D)/(d*sqrt(3))
+hkl2=hkl^2
+printf("As h^2+k^2+l^2=%.2f \n The highest possible values of (h,k,l) are (2,2,2) Hence (2,2,2) planes give reflection",hkl2)
+//Given in text book h^2+k^2+l^2=13.98 but the answer is h^2+k^2+l^2=11.69
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