Added(A)/Deleted(D) following books

 A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter1.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter10.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter11.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter12.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter13.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter14.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter15.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter2.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter3.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter4.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter5.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter6.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter7.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter8.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter9.ipynb
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/screenshots/11.png
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/screenshots/22.png
A  BSc_3rd_Year_Physics_Paper_4_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/screenshots/33.png
A  Modern_physics_for_engineers_by_S.P.Taneja/AppendixB.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/AppendixC.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/AppendixE.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/Chapter18.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter1.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter10.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter11.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter12.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter14.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter15.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter17.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter19.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter2.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter20.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter21.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter23.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter24.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter4.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter5.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter6.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter7.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter8.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chapter9.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/chpater3.ipynb
A  Modern_physics_for_engineers_by_S.P.Taneja/screenshots/image1.png
A  Modern_physics_for_engineers_by_S.P.Taneja/screenshots/image2.png
A  Modern_physics_for_engineers_by_S.P.Taneja/screenshots/image3.png
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter1.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter10.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter11.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter12.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter13.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter14.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter2.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter3.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter4.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter5.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter6.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/Chapter8.ipynb
A  Solid_State_Physics_by_Dr_M_Arumugam/screenshots/22.png
A  Solid_State_Physics_by_Dr_M_Arumugam/screenshots/33.png
A  Solid_State_Physics_by_Dr_M_Arumugam/screenshots/44.png

1 files changed, 419 insertions, 0 deletions

diff --git a/Modern_physics_for_engineers_by_S.P.Taneja/Chapter18.ipynb b/Modern_physics_for_engineers_by_S.P.Taneja/Chapter18.ipynb
new file mode 100644
index 00000000..dc485aac
--- /dev/null
+++ b/Modern_physics_for_engineers_by_S.P.Taneja/Chapter18.ipynb
@@ -0,0 +1,419 @@
+{

+ "metadata": {

+  "name": "",

+  "signature": "sha256:96f5d1279be2252c9ff04c355e85834215067f6eb464abda89728ac05eeaeb23"

+ },

+ "nbformat": 3,

+ "nbformat_minor": 0,

+ "worksheets": [

+  {

+   "cells": [

+    {

+     "cell_type": "heading",

+     "level": 1,

+     "metadata": {},

+     "source": [

+      "Chapter 18 Uncertainty Principle and Quantum Statistics"

+     ]

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example 18.1 Page no 122"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Given\n",

+      "h=1.05*10**-34\n",

+      "x=10.0**-8\n",

+      "m=9.1*10**-31\n",

+      "\n",

+      "#Calculation\n",

+      "p=h/x\n",

+      "v=h/m\n",

+      "\n",

+      "#Result\n",

+      "print\"Minimum uncertainty in its velocity is\",round(v*10**4,2),\"*10**4 m/s\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Minimum uncertainty in its velocity is 1.15 *10**4 m/s\n"

+       ]

+      }

+     ],

+     "prompt_number": 9

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example 18.2 Page no 122"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Given\n",

+      "E=200\n",

+      "m=9*10**-31\n",

+      "e=1.602*10**-19\n",

+      "h=6.626*10**-34\n",

+      "r=10**-6\n",

+      "\n",

+      "#Calculation\n",

+      "import math\n",

+      "p=math.sqrt(2*m*E*e)\n",

+      "p1=h/(2*r)\n",

+      "a=p1/p\n",

+      "\n",

+      "#Result\n",

+      "print\"Uncertainty introduced in the angle of emergence is\", round(a*10**5,2),\"*10**-6 radians\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Uncertainty introduced in the angle of emergence is 4.36 *10**-6 radians\n"

+       ]

+      }

+     ],

+     "prompt_number": 21

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example 18.3 Page no 123"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Given\n",

+      "h=1.05*10**-34                     #j-s\n",

+      "v=3*10**7                          #m/s\n",

+      "m0=9*10**-31                       #Kg\n",

+      "c=3*10**8\n",

+      "\n",

+      "#Calculation\n",

+      "import math\n",

+      "x=(h/(m0*v))*(math.sqrt(1-(v/c)*2))\n",

+      "\n",

+      "#Result\n",

+      "print\"Smallest possible uncertainty is\", round(x*10**10,3),\"A\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Smallest possible uncertainty is 0.039 A\n"

+       ]

+      }

+     ],

+     "prompt_number": 27

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example 18.4 Page no 123"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Given\n",

+      "h=1.05*10**-34\n",

+      "x=0.0001\n",

+      "m=9*10**-31\n",

+      "X=5*10**-10\n",

+      "m1=1.67*10**-27\n",

+      "\n",

+      "#Calculation\n",

+      "p=h/x\n",

+      "v=p*10**-9/(m*X)\n",

+      "M=4*m1\n",

+      "V=p/(M*X)\n",

+      "\n",

+      "#Result\n",

+      "print\"Uncertainty in the velocity of electron is\", round(v,2),\"*10**3 m/s\"\n",

+      "print\"Uncertainty in the velocity of alpha particle is\",round(V*10**-4,1),\"m/s\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Uncertainty in the velocity of electron is 2.33 *10**3 m/s\n",

+        "Uncertainty in the velocity of alpha particle is 31.4 m/s\n"

+       ]

+      }

+     ],

+     "prompt_number": 48

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example 18.5 Page no 124"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Given\n",

+      "E=200                   #eV\n",

+      "A=1.6*10**-19           #J\n",

+      "S=9*10**-31\n",

+      "q=2\n",

+      "x=1.05*10**-34          #J.s\n",

+      "y=2*10**-6              #m\n",

+      "\n",

+      "#Calculation\n",

+      "import math\n",

+      "P=math.sqrt(q*S*E*A)\n",

+      "P1=x/y\n",

+      "P2=P1/P\n",

+      "\n",

+      "#Result\n",

+      "print\"The uncertainty introduced in the angle of emergence is\",round(P2*10**6,2),\"10**-6 radians\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "The uncertainty introduced in the angle of emergence is 6.92 10**-6 radians\n"

+       ]

+      }

+     ],

+     "prompt_number": 56

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example 18.6 Page no 124"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Given\n",

+      "a=1.05*10**4                            #ms**-1\n",

+      "b=0.01 \n",

+      "h=1.05*10**-34                          #Js\n",

+      "m=9*10**-31\n",

+      "s=100\n",

+      "\n",

+      "#Calculation\n",

+      "v=h*s/(m*b*h)\n",

+      "\n",

+      "#Result\n",

+      "print\"The uncertainty in the position of the electron is\",round(v*10**-34,1),\"10**-4 m\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "The uncertainty in the position of the electron is 1.1 10**-4 m\n"

+       ]

+      }

+     ],

+     "prompt_number": 65

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example 18.7 Page no 124"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Given\n",

+      "q=50                            #g\n",

+      "w=300                           #ms**-1\n",

+      "i=0.01\n",

+      "d=1000.0\n",

+      "e=100.0\n",

+      "h=6.62*10**-34\n",

+      "\n",

+      "#Calculation\n",

+      "b=(w*(q/d)*(i/e))\n",

+      "b1=h/(2*math.pi*b)\n",

+      "\n",

+      "#Result\n",

+      "print\"The accuracy is\",round(b1*10**32,0),\"10**-32 m\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "The accuracy is 7.0 10**-32 m\n"

+       ]

+      }

+     ],

+     "prompt_number": 78

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example 18.8 Page no 124"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Given\n",

+      "y=10**12\n",

+      "h=6.62*10**-34\n",

+      "a=2\n",

+      "\n",

+      "#Calculation\n",

+      "import math\n",

+      "E=h/(a*math.pi*y)\n",

+      "E1=E/h\n",

+      "\n",

+      "#Result\n",

+      "print\"The probable uncertainty in energy is\",round(E*10**46,3),\"10**-22 J\"\n",

+      "print\"The frequency of a gamma-ray is\",round(E1*10**13,2),\"10**11 Hz\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "The probable uncertainty in energy is 1.054 10**-22 J\n",

+        "The frequency of a gamma-ray is 1.59 10**11 Hz\n"

+       ]

+      }

+     ],

+     "prompt_number": 89

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example 18.9 Page no 125"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Given\n",

+      "h=6.63*10**-34                #J.sec\n",

+      "a=10**-8\n",

+      "b=2\n",

+      "\n",

+      "#Calculation\n",

+      "import math\n",

+      "E=h/(b*math.pi*a)\n",

+      "v=E/h\n",

+      "\n",

+      "#Result\n",

+      "print\"The uncertainty in the energy is\",round(E*10**26,3),\"10**-26 J\"\n",

+      "print\"The uncertainty in the frwquency of light is\",round(v*10**-7,2),\"10**7 Hz\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "The uncertainty in the energy is 1.055 10**-26 J\n",

+        "The uncertainty in the frwquency of light is 1.59 10**7 Hz\n"

+       ]

+      }

+     ],

+     "prompt_number": 99

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example 18.10 Page no 125"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Given\n",

+      "a=10**-8                       #sec\n",

+      "h=1.05*10**-34\n",

+      "l=1.6*10**-19\n",

+      "\n",

+      "#Calculation\n",

+      "g=h/a\n",

+      "E=g/l\n",

+      "\n",

+      "#Result\n",

+      "print\"The limit of accuracy is\",round(E*10**8,2)*10**-8,\"eV\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "The limit of accuracy is 6.56e-08 eV\n"

+       ]

+      }

+     ],

+     "prompt_number": 113

+    }

+   ],

+   "metadata": {}

+  }

+ ]

+}
\ No newline at end of file