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

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 767/CH5/EX5.6.2/Ch05Exa5_6_2.sci | 92 ++++++++++++++++++++++++++++++++++++++++
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+// Scilab code Exa5.6.2: To calculate the kinetic energy of photoelectron and rate at which photoelectron emitted : P.no. 231 (2011)
+ C = 3e+08; // Speed of light, m/s
+ h = 6.626e-034; // Planck's constant, Js
+ lambda = 250e-09; // Wavelength of light, m
+ w = 2.30; // Work function, eV
+A = 2e-04; // Area of the surface, m^2 
+I = 2; // Intensity of light, W/m^2
+e = 1.6e-019; // Charge of the electron, C
+E_p = h*C/(lambda*e); // Energy of photoelectron, eV
+E_max = E_p-w; // Maximum kinetic energy of photoelectron, eV
+n_p = I*A/(E_p*e); // Number of photons reaching the surface per second, photons/s
+R_p = 0.2/100*n_p; // Rate at which photoelectrons are emitted, photoelectrons/s
+printf("\n The maximum kinetic energy   = %4.2f eV  \n The rate at which photoelectrons are emitted    =  %4.2e photoelectrons/s ", E_max, R_p)
+// Result
+//        The maximum kinetic energy   = 2.67 eV  
+ // The rate at which photoelectrons are emitted    =  1.01e+012 photoelectrons/s
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-- 
cgit