From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 2411/CH5/EX5.9/Ex5_9.sce | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 2411/CH5/EX5.9/Ex5_9.sce

(limited to '2411/CH5/EX5.9/Ex5_9.sce')

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
-- 
cgit