diff options
Diffstat (limited to '3020/CH14/EX14.4/ex14_4.sce')
| -rwxr-xr-x | 3020/CH14/EX14.4/ex14_4.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3020/CH14/EX14.4/ex14_4.sce b/3020/CH14/EX14.4/ex14_4.sce new file mode 100755 index 000000000..f0b3de3de --- /dev/null +++ b/3020/CH14/EX14.4/ex14_4.sce @@ -0,0 +1,17 @@ +clc;
+clear all;
+c = 3e8; // Velocity of light in air
+m = 9.1e-31; // Mass of an atom in Kg
+h = 6.626e-34; // Planck's constant
+e = 1.6e-19; // Charge of an electron in culoumb
+V = 125; // Potential Difference in volts
+v = sqrt((2*e*V)/m); // Velocity of an electron
+disp('m/s',v,'The velocity of an electron is')
+u = (c^2)/v; //Phase velocity of an elctron
+disp('m/s',u,'The Phase velocity of an elctron is')
+lambda = h/(m*v);//The de-broglie wavelength
+disp('m',lambda,'The de-broglie wavelength is')
+p = m*v; // Momentum of the electron
+disp('(Kg.m)/s',p,'The momentum of th electron is ')
+w = 1/lambda; // Wave number
+disp('m^-1',w,'Thw wave number of he electron wave is')
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