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| author | priyanka | 2015-06-24 15:03:17 +0530 |
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| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1538/CH5/EX5.2 | |
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initial commit / add all books
Diffstat (limited to '1538/CH5/EX5.2')
| -rwxr-xr-x | 1538/CH5/EX5.2/Ex5_2.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/1538/CH5/EX5.2/Ex5_2.sce b/1538/CH5/EX5.2/Ex5_2.sce new file mode 100755 index 000000000..f6b31838d --- /dev/null +++ b/1538/CH5/EX5.2/Ex5_2.sce @@ -0,0 +1,17 @@ +//example-5.2
+//page no-141
+//given
+//bragg's angle of reflection
+theta1=17.03*(%pi)/180 //radians
+//wavelength of light
+lambda=0.71 //A
+//according to bragg's equation
+//n*lambda=2*d*sin(theta)
+//for n=1
+d=lambda/2/sin(theta1) //A
+//given that h^2+k^2+l^2=8
+//let (h^2+k^2+l^2)^1/2=H
+//we get
+H=sqrt(8)
+a=d*H //A
+//since h^2+k^2+l^2=8 ,hence the reflecting planes will be (220). family of planes (220) include (220), (202), (022) ,etc.
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