From 6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:53:46 +0530 Subject: Removed duplicates --- .../Chapter10.ipynb | 325 --------------------- 1 file changed, 325 deletions(-) delete mode 100755 backup/ELECTRICAL_ENGINEERING_MATERIALS_by_R.K.Shukla_version_backup/Chapter10.ipynb (limited to 'backup/ELECTRICAL_ENGINEERING_MATERIALS_by_R.K.Shukla_version_backup/Chapter10.ipynb') diff --git a/backup/ELECTRICAL_ENGINEERING_MATERIALS_by_R.K.Shukla_version_backup/Chapter10.ipynb b/backup/ELECTRICAL_ENGINEERING_MATERIALS_by_R.K.Shukla_version_backup/Chapter10.ipynb deleted file mode 100755 index c6f2d5ac..00000000 --- a/backup/ELECTRICAL_ENGINEERING_MATERIALS_by_R.K.Shukla_version_backup/Chapter10.ipynb +++ /dev/null @@ -1,325 +0,0 @@ -{ - "cells": [ - { - "cell_type": "markdown", - "metadata": {}, - "source": [ - "# Chapter 10:Optical Properties of Materials" - ] - }, - { - "cell_type": "markdown", - "metadata": {}, - "source": [ - "# Example 10.1,Page No:10.25" - ] - }, - { - "cell_type": "code", - "execution_count": 11, - "metadata": { - "collapsed": false - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "Wavelength of the photon = 6211 Å\n", - " The colour of the photon is red\n" - ] - } - ], - "source": [ - "import math\n", - "\n", - "#variable declaration\n", - "E2 = 5.56*10**-19; # Higher Energy level in J\n", - "E1 = 2.36*10**-19; # Lower Energy level in J\n", - "h = 6.626*10**-34; # plancks constant in J.s\n", - "c = 3*10**8; # velocity of light in m\n", - "\n", - "# Calculations\n", - "dE = E2 - E1; # Energy difference in J\n", - "lamda = (h*c)/float(dE); # wavelength in m\n", - " \n", - "\n", - "# Result\n", - "\n", - "print'Wavelength of the photon = %d'%(lamda*10**10),'Å';\n", - "print' The colour of the photon is red';" - ] - }, - { - "cell_type": "markdown", - "metadata": {}, - "source": [ - "# Example 10.2,Page No:10.25" - ] - }, - { - "cell_type": "code", - "execution_count": 12, - "metadata": { - "collapsed": false - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "Maximum Wavelength for which diamond is opaque is Imax = 2219 Å\n", - "\n", - " Note: Imax is wrongly printed as 220 Å in textbook\n" - ] - } - ], - "source": [ - "import math\n", - "\n", - "# Variable declaration\n", - "h = 6.63*10**-34; # plancks constant in J.s\n", - "c = 3*10**8; # velocity of light in m\n", - "E = 5.6; # bandgap in eV\n", - "e = 1.6*10**-19; # charge of electron coulombs\n", - "\n", - "# Calculations\n", - "lamda = (h*c)/float(E*e) # wavelength in m\n", - "\n", - "#output\n", - "print'Maximum Wavelength for which diamond is opaque is Imax = %d '%(lamda*10**10),'Å';\n", - "print'\\n Note: Imax is wrongly printed as 220 Å in textbook';\n" - ] - }, - { - "cell_type": "markdown", - "metadata": {}, - "source": [ - "# Example 10.3,Page No:10.26" - ] - }, - { - "cell_type": "code", - "execution_count": 13, - "metadata": { - "collapsed": false - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "Energy of radiation = 2.0719 eV\n", - "Rate of energy gap varies with addition of GaP is 0.00830 eV/mol %\n", - "mol percent to be added to get an energy gap of 2.0719 eV is 78.54 mol %\n" - ] - } - ], - "source": [ - "import math\n", - "\n", - "#variable declaration\n", - "h = 6.63*10**-34; # plancks constant\n", - "c = 3*10**8; # velocity of light\n", - "lamda = 0.6*10**-6; # wavelength in m\n", - "e = 1.6*10**-19; # charge of electron\n", - "EGap = 2.25; # energy in eV\n", - "EGas = 1.42; # energy in eV\n", - "\n", - "#Calculations\n", - "E = (h*c)/float(lamda*e); # Energy in eV\n", - "p_change = (EGap - EGas)/float(100); #rate of energy gap\n", - "x = (E-EGas)/float(p_change); #mol % of GaP to be added to get an energy gap of E\n", - "\n", - "# Result\n", - "print'Energy of radiation = %3.4f'%E,'eV';\n", - "print'Rate of energy gap varies with addition of GaP is %3.5f'%p_change,'eV/mol %';\n", - "print'mol percent to be added to get an energy gap of %3.4f'%E,'eV','is %3.2f'%x,'mol %';\n" - ] - }, - { - "cell_type": "markdown", - "metadata": {}, - "source": [ - "# Example 10.4,Page No:10.26" - ] - }, - { - "cell_type": "code", - "execution_count": 14, - "metadata": { - "collapsed": false - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "Energy of the metastable state E3 = 2.2e-19 J\n" - ] - } - ], - "source": [ - "import math\n", - "\n", - "#variable declaration\n", - "h = 6.63*10**-34; #plancks constant in J.s\n", - "c = 3*10**8; # velocity of light in m\n", - "lamda = 1.1*10**-6; # wavelength in m\n", - "e = 1.6*10**-19; # charge of electron in coulombs\n", - "E2 = 0.4*10**-19; # energy level in joules\n", - "\n", - "\n", - "#Calculations\n", - "E3 = E2 + ((h*c)/float(lamda)); #energy in J\n", - "\n", - "#Result\n", - "print'Energy of the metastable state E3 = %3.1e'%E3,'J';" - ] - }, - { - "cell_type": "markdown", - "metadata": {}, - "source": [ - "# Example 10.5,Page No:10.26" - ] - }, - { - "cell_type": "code", - "execution_count": 15, - "metadata": { - "collapsed": false - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "Number of Optical modes = 15\n" - ] - } - ], - "source": [ - "import math\n", - "\n", - "#variable declaration\n", - "c = 3*10**8; # velocity of light in m\n", - "L = 1.5; #length in m\n", - "n = 1.0204; # refractive index \n", - "BW = 1.5*10**9; # Bandwidth in Hz\n", - "\n", - "# Calculations\n", - "dV = c/float(2*L*n); #frequency in Hz\n", - "N = BW/float(dV); # Number of optical nodes\n", - "\n", - "# Result\n", - "print'Number of Optical modes = % d'%N;" - ] - }, - { - "cell_type": "markdown", - "metadata": {}, - "source": [ - "# Example 10.6,Page No:10.31" - ] - }, - { - "cell_type": "code", - "execution_count": 16, - "metadata": { - "collapsed": false - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "Numerical aperture = 0.248\n" - ] - } - ], - "source": [ - "import math\n", - "\n", - "#variable declaration\n", - "n1 = 1.55; # refractive index of core\n", - "n2 = 1.53; # refractive index of cladding\n", - "\n", - "\n", - "# Calculations\n", - "NA = math.sqrt(n1**2 - n2**2);\n", - "\n", - "\n", - "#Result\n", - "print'Numerical aperture = %3.3f'%NA;" - ] - }, - { - "cell_type": "markdown", - "metadata": {}, - "source": [ - "# Example 10.7,Page No:10.31" - ] - }, - { - "cell_type": "code", - "execution_count": 17, - "metadata": { - "collapsed": false - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "For angles above 48.75° ,there will be total internal reflection in water\n" - ] - } - ], - "source": [ - "import math\n", - "\n", - "#variable declaration\n", - "n1 = 1.33; #refractive index of water\n", - "n2 = 1; # refractive index of air\n", - "\n", - "# Calculations\n", - "theta_c = math.asin((n2/n1))\n", - "theta_c_deg = theta_c*(180/float(math.pi)); # radian to degree conversion\n", - "\n", - "# Result\n", - "print'For angles above %3.2f° ,there will be total internal reflection in water'%theta_c_deg ;\n" - ] - }, - { - "cell_type": "code", - "execution_count": null, - "metadata": { - "collapsed": true - }, - "outputs": [], - "source": [] - } - ], - "metadata": { - "kernelspec": { - "display_name": "Python 2", - "language": "python", - "name": "python2" - }, - "language_info": { - "codemirror_mode": { - "name": "ipython", - "version": 2 - }, - "file_extension": ".py", - "mimetype": "text/x-python", - "name": "python", - "nbconvert_exporter": "python", - "pygments_lexer": "ipython2", - "version": "2.7.6" - } - }, - "nbformat": 4, - "nbformat_minor": 0 -} -- cgit