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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 10: Multi electron atoms optical excitations"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 10.1: Calculating_wavelength.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Example 10.1, page 370\n",
+"clc\n",
+"E3p=-3//in ev\n",
+"E3s=-5.1//in ev\n",
+"E=E3p-E3s\n",
+"E_Joule=E*1.6*10^-19//in Joule\n",
+"h=6.6*10^-34//in J-s\n",
+"c=3*10^8//in m/s\n",
+"disp('Part a')\n",
+"lambda=(h*c)/E_Joule\n",
+"printf('\n The wavelength is  %e  m',lambda)\n",
+"//Part b\n",
+"disp('Part b')\n",
+"d_lambda=(h*c*E_Joule)/(E_Joule)^2\n",
+"printf('\n The magnitude of seperation is  %e  m',d_lambda)\n",
+"//Answer given in book for part b is wrong"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 10.5: Displace_energy.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Example 10.5, page 386\n",
+"clc\n",
+"a=1*(1+1)\n",
+"x=a+a-a\n",
+"y=2*a\n",
+"g=1+(x/y)\n",
+"u=9.3*10^-24//amp-m2\n",
+"B=1/10//in Tesla\n",
+"delta_E=u*B*g\n",
+"printf('\n The displace energy is  %e  ev',delta_E)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 10.6: Magnetic_energy.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Example 10.6, page 387\n",
+"clc\n",
+"h=6.6*10^-34//in J-s\n",
+"v=1*10^10//per sec\n",
+"ub=9.3*10^-24//in amp-m2\n",
+"B=(h*v)/(2*ub)\n",
+"printf('\n The Magentic energy is  %e  Tesla',B)"
+   ]
+   }
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}