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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 /2411/CH5/EX5.9/Ex5_9.sce | |
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Diffstat (limited to '2411/CH5/EX5.9/Ex5_9.sce')
| -rwxr-xr-x | 2411/CH5/EX5.9/Ex5_9.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/2411/CH5/EX5.9/Ex5_9.sce b/2411/CH5/EX5.9/Ex5_9.sce new file mode 100755 index 000000000..0229c57f8 --- /dev/null +++ b/2411/CH5/EX5.9/Ex5_9.sce @@ -0,0 +1,17 @@ +// Scilab Code Ex5.9: Page-287 (2008)
+clc; clear;
+h = 6.62e-034; // Planck's constant, Js
+c = 3e+008; // Speed of light, m/s
+e = 1.6e-019; // Energy quivalent of 1 eV, J
+phi = 2.1*e; // Work function for material, J
+lambda = 3500e-010; // Wavelength of incident UV radiation, m
+E = 1e-004; // Energy incident per sec on 1 Sq. cm of potassium surface, J
+eta = 0.5/100; // Efficiency of potassium surface
+KE = (h*c/lambda-phi)/e; // Maximum kinetic energy of the ejected photoelectrons, eV
+N = eta*E/(KE*e); // Number of photoelectrons emitted per second per Sq. cm of potassium surface
+printf("\nThe maximum kinetic energy of the incidnt radiation = %4.2f eV", KE);
+printf("\nThe number of photoelectrons emitted per second per Sq. cm of potassium surface = %4.2e", N);
+
+// Result
+// The maximum kinetic energy of the incidnt radiation = 1.45 eV
+// The number of photoelectrons emitted per second per Sq. cm of potassium surface = 2.16e+012
\ No newline at end of file |