diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2708/CH19/EX19.5 | |
| 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 '2708/CH19/EX19.5')
| -rwxr-xr-x | 2708/CH19/EX19.5/ex_19_5.sce | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/2708/CH19/EX19.5/ex_19_5.sce b/2708/CH19/EX19.5/ex_19_5.sce new file mode 100755 index 000000000..445e60ce3 --- /dev/null +++ b/2708/CH19/EX19.5/ex_19_5.sce @@ -0,0 +1,12 @@ +//Example 19.5 // energy of electron
+clc;
+clear;
+//given data :
+h=6.626D-34;// plank constant in J-s
+a=.3D-9;// unit cell width in m
+p=h/(2*a);// electron momentum
+m=9.1D-31;// mass of electron in Kg
+E=p^2/(m*2);// formula for energy
+disp(p,"electron momentum in Kg m/s")
+E=E/1.6D-19;// ro convert in ev
+disp(E,"energy of electron at this momentum in eV")
|