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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2672/CH4/EX4.18 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2672/CH4/EX4.18')
| -rwxr-xr-x | 2672/CH4/EX4.18/Ex4_18.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/2672/CH4/EX4.18/Ex4_18.sce b/2672/CH4/EX4.18/Ex4_18.sce new file mode 100755 index 000000000..e5ef304d9 --- /dev/null +++ b/2672/CH4/EX4.18/Ex4_18.sce @@ -0,0 +1,14 @@ +//Example 4_18
+clc;
+clear;
+close;
+format('v',6);
+//given data :
+h=1.05*10^-34;//Js//Planks Constant
+e=1.6*10^-19;//C///Charge on electron
+E0=10^4;//V/cm
+a=5.62*10^-8;//cm//lattice constant for n-GaAs
+kB=2*%pi/a;//cm^-1///Brillouin Edge
+tau=h*kB/e/E0*10^12;//ps
+disp(tau,"Time taken by electron to reach Brillouin Zone(ps)");
+//Answer given in the textbook is wrong
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