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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/EX4.4 | |
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initial commit / add all books
Diffstat (limited to '2672/CH4/EX4.4')
| -rwxr-xr-x | 2672/CH4/EX4.4/Ex4_4.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/2672/CH4/EX4.4/Ex4_4.sce b/2672/CH4/EX4.4/Ex4_4.sce new file mode 100755 index 000000000..a9116517d --- /dev/null +++ b/2672/CH4/EX4.4/Ex4_4.sce @@ -0,0 +1,20 @@ +//Example 4_4
+clc;
+clear;
+close;
+format('v',6)
+//given data :
+c=3*10^8;//m/s//Speed of light
+h=1.05*10^-34;//Js//Planks Constant
+mc_GaAs=0.067;//mo
+mc_InAs=0.01;//mo
+k=0.01;///per Angstrum
+mc_GaAs=mc_GaAs*0.91*10^-30;//kg
+mc_InAs=mc_InAs*0.91*10^-30;//kg
+E_GaAs=h^2*(3*k*10^10)^2/2/mc_GaAs;//J
+E_GaAs=E_GaAs/(1.6*10^-19)*1000;//meV
+disp(E_GaAs,"Energy of the electron in GaAs(meV)");
+E_InAs=h^2*(3*k*10^10)^2/2/mc_InAs;//J
+E_InAs=E_InAs/(1.6*10^-19)*1000;//meV
+disp(E_InAs,"Energy of the electron in InAs(meV)");
+//Answer given in the textbook is wrong.
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