added books

1 files changed, 52 insertions, 99 deletions

diff --git a/Modern_Physics/Chapter8.ipynb b/Modern_Physics/Chapter8.ipynb
index a12d49fc..ccbad1fd 100755
--- a/Modern_Physics/Chapter8.ipynb
+++ b/Modern_Physics/Chapter8.ipynb
@@ -1,7 +1,6 @@
 {
  "metadata": {
-  "name": "",
-  "signature": "sha256:8315bc6aae714998ec5db8a7cf2faf25a033ca960fbcf8e976cdfc44e47b09f3"
+  "name": "Chapter8"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -13,7 +12,7 @@
      "level": 1,
      "metadata": {},
      "source": [
-      "Chapter 8: Quantum Mechanics in Three Dimensions"
+      "Chapter 8:Many Electron Atoms"
      ]
     },
     {
@@ -21,33 +20,21 @@
      "level": 2,
      "metadata": {},
      "source": [
-      "Example 8.4, page no. 270"
+      "Example 8.1 Page 248"
      ]
     },
     {
      "cell_type": "code",
      "collapsed": false,
      "input": [
+      "#initiation of variable\n",
+      "hc=1240.0*10**-9;Rinfi=1.097*10**7;Z=11;  #for sodium atom;and other constants in MeV\n",
       "\n",
+      "#calculation\n",
+      "delE=3*hc*Rinfi*(Z-1)**2/4.0              #change in energy\n",
       "\n",
-      "import math\n",
-      "\n",
-      "#Variable declaration\n",
-      "\n",
-      "R = 1.0             #radius(m)\n",
-      "T = 1.0             #period of revolution(s)\n",
-      "m = 1.0             #mass of stone(kg)\n",
-      "h = 1.055 * 10**-34 #planks constant (kg.m^2/s)\n",
-      "\n",
-      "#Calculation\n",
-      "\n",
-      "v = 2*math.pi*R/T\n",
-      "L = m * v * R\n",
-      "l = L / h\n",
-      "\n",
-      "#Results\n",
-      "\n",
-      "print \"The orbital quantum number l is\",round(l/10**34,2),\"X 10^34.\""
+      "#result\n",
+      "print\"The energy of the Ka x-ray of the sodium atom in KeV.is\",round(delE/10**3,3);\n"
      ],
      "language": "python",
      "metadata": {},
@@ -56,45 +43,38 @@
        "output_type": "stream",
        "stream": "stdout",
        "text": [
-        "The orbital quantum number l is 5.96 X 10^34.\n"
+        "The energy of the Ka x-ray of the sodium atom in KeV.is 1.02\n"
        ]
       }
      ],
-     "prompt_number": 2
+     "prompt_number": 1
     },
     {
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
      "source": [
-      "Example 8.6, page no. 272"
+      "Example 8.2 Page 249"
      ]
     },
     {
      "cell_type": "code",
      "collapsed": false,
      "input": [
+      "#initiation of variable\n",
+      "EKa=21.990;EKb=25.145;EK=25.514                                      #all the values are in KeV\n",
       "\n",
+      "#calcualtion\n",
+      "ELo=EKb-EKa;\n",
       "\n",
-      "import math\n",
-      "\n",
-      "#Variable declaration\n",
-      "\n",
-      "l = 3           #orbital quantum number\n",
+      "#result\n",
+      "print\"The energy of La of X-ray in KeV.is\",round(ELo,3);             #Energy of La X-ray\n",
       "\n",
-      "#Calculation and results\n",
+      "#partb\n",
+      "EL=-EK+EKa;\n",
       "\n",
-      "L = math.sqrt(l*(l+1))\n",
-      "print \"The allowed values of Lz are\"\n",
-      "for i in range(-l,l+1):\n",
-      "    print i,\"h\"\n",
-      "print \"The allowed values of theta are\"\n",
-      "for i in range(-l,l+1):\n",
-      "    theta = round(math.acos(i/L)*180/math.pi,1)\n",
-      "    if theta > 90:\n",
-      "        print theta-180\n",
-      "    else:\n",
-      "        print theta"
+      "#result\n",
+      "print\"Hence the binding energy of the L electon in KeV.is\",round(EL,3); # for electron L electron"
      ],
      "language": "python",
      "metadata": {},
@@ -103,55 +83,35 @@
        "output_type": "stream",
        "stream": "stdout",
        "text": [
-        "The allowed values of Lz are\n",
-        "-3 h\n",
-        "-2 h\n",
-        "-1 h\n",
-        "0 h\n",
-        "1 h\n",
-        "2 h\n",
-        "3 h\n",
-        "The allowed values of theta are\n",
-        "-30.0\n",
-        "-54.7\n",
-        "-73.2\n",
-        "90.0\n",
-        "73.2\n",
-        "54.7\n",
-        "30.0\n"
+        "The enrgy of La of X-ray in KeV.is 3.155\n",
+        "Hence the binding energy of the L electon in KeV.is -3.524\n"
        ]
       }
      ],
-     "prompt_number": 5
+     "prompt_number": 2
     },
     {
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
      "source": [
-      "Example 8.7, page no. 281"
+      "Example 8.3 Page 250"
      ]
     },
     {
      "cell_type": "code",
      "collapsed": false,
      "input": [
+      "#initiation of variable\n",
+      "l=1.0; \n",
       "\n",
+      "#calculation\n",
+      "Lmax=l+l;Lmin=l-l;\n",
+      "s=1.0/2; Smax=s+s;Smin=s-s;\n",
       "\n",
-      "#Variable declaration\n",
-      "\n",
-      "n = 2\n",
-      "Z = 1\n",
-      "\n",
-      "#Calculation and results\n",
-      " \n",
-      "print \"The states of hydrogen atom are\"\n",
-      "for i in range(n):\n",
-      "    for j in range(-i,i+1):\n",
-      "        print \"n = \",n,\"l = \",i,\"ml = \",j\n",
-      "\n",
-      "E2 = -13.6 * Z**2/n**2\n",
-      "print \"All states have same energy of \",E2,\"eV.\""
+      "#result\n",
+      "print\"Value of L ranges from\",Lmin,\" to\",Lmax,\" i.e\",Lmin,1,Lmax;\n",
+      "print\"Values of S are maxi,min\",Smax,Smin;\n"
      ],
      "language": "python",
      "metadata": {},
@@ -160,47 +120,37 @@
        "output_type": "stream",
        "stream": "stdout",
        "text": [
-        "The states of hydrogen atom are\n",
-        "n =  2 l =  0 ml =  0\n",
-        "n =  2 l =  1 ml =  -1\n",
-        "n =  2 l =  1 ml =  0\n",
-        "n =  2 l =  1 ml =  1\n",
-        "All states have same energy of  -3.4 eV.\n"
+        "Value of L ranges from 0.0  to 2.0  i.e 0.0 1 2.0\n",
+        "Values of S are maxi,min 1.0 0.0\n"
        ]
       }
      ],
-     "prompt_number": 9
+     "prompt_number": 5
     },
     {
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
      "source": [
-      "Example 8.8, page no. 284"
+      "Example 8.4 Page 250"
      ]
     },
     {
      "cell_type": "code",
      "collapsed": false,
      "input": [
+      "#initiation of variable\n",
+      "l=1.0; \n",
       "\n",
-      "import scipy\n",
-      "from scipy import integrate\n",
-      "import math\n",
-      "\n",
-      "#Variable declaration\n",
-      "\n",
-      "z2 = lambda z: z**2 * math.e ** -z\n",
-      "\n",
-      "#Calculation\n",
-      "inf = float('inf')\n",
-      "integ,err = scipy.integrate.quad(z2,2.0,inf)\n",
-      "P = integ * 0.5\n",
+      "#calculation\n",
+      "Lmax=l+l;Lmin=l-l;\n",
+      "s=1.0/2; Smax=s+s;Smin=s-s;\n",
       "\n",
       "#result\n",
-      "\n",
-      "print \"The probability is\",round(P,3)\n",
-      "\n"
+      "print\"Considering any two electrons,Value of L2e ranges from\",Lmin,\" to\",Lmax,\" i.e\",Lmin,1,Lmax;\n",
+      "print\"Adding the angular momentum of the third electron to L2emax gives the maximum  whole angular momentum as 2+1=3; and subtracting it from L2e=1 gives 0\"\n",
+      "print\"Values of S are maxi,min\",Smax,Smin;\n",
+      "print\"Adding and subtracting the spin of third to S2e=1 and S2e=0 respectively gives the spins 3/2 and 1/2 for the 3 electron system.\";"
      ],
      "language": "python",
      "metadata": {},
@@ -209,11 +159,14 @@
        "output_type": "stream",
        "stream": "stdout",
        "text": [
-        "The probability is 0.677\n"
+        "Considering any two electrons,Value of L2e ranges from 0.0  to 2.0  i.e 0.0 1 2.0\n",
+        "Adding the angular momentum of the third electron to L2emax gives the maximum  whole angular momentum as 2+1=3; and subtracting it from L2e=1 gives 0\n",
+        "Values of S are maxi,min 1.0 0.0\n",
+        "Adding and subtracting the spin of third to S2e=1 and S2e=0 respectively gives the spins 3/2 and 1/2 for the 3 electron system.\n"
        ]
       }
      ],
-     "prompt_number": 7
+     "prompt_number": 6
     }
    ],
    "metadata": {}