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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 /2780/CH7/EX7.20 | |
| 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 '2780/CH7/EX7.20')
| -rwxr-xr-x | 2780/CH7/EX7.20/Ex7_20.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/2780/CH7/EX7.20/Ex7_20.sce b/2780/CH7/EX7.20/Ex7_20.sce new file mode 100755 index 000000000..e427ce4c2 --- /dev/null +++ b/2780/CH7/EX7.20/Ex7_20.sce @@ -0,0 +1,11 @@ +clc
+//to calculate uncertainity in frequency
+delt=10^-8 //uncertainity in time
+delnu=1/(2*%pi*delt)
+disp("minimum uncertainity in the frequency of a photon is delnu="+string(delnu)+"sec^-1")
+//to use the uncertainity principle to place a lower limit on the energy an electron must have if it is to be part of a nucleus
+delx=5*10^-15 //uncertainity in position
+delp=h/(2*2*%pi*delx) //uncertainbity in momentum
+c=3*10^8 ///speed of light in m/s
+E=delp*c
+disp("energy of an electron is E="+string(E)+"J")
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