diff options
Diffstat (limited to '2780')
| -rwxr-xr-x | 2780/CH7/EX7.20/Ex7_20.sce | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/2780/CH7/EX7.20/Ex7_20.sce b/2780/CH7/EX7.20/Ex7_20.sce index e427ce4c2..423104ad7 100755 --- a/2780/CH7/EX7.20/Ex7_20.sce +++ b/2780/CH7/EX7.20/Ex7_20.sce @@ -1,11 +1,12 @@ -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")
+clc +//to calculate uncertainity in frequency +h = 3.16152649*10^-26; +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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