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{
"metadata": {
"name": "Chapter8"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 8:Many Electron Atoms"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"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",
"#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": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The energy of the Ka x-ray of the sodium atom in KeV.is 1.02\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"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",
"#result\n",
"print\"The energy of La of X-ray in KeV.is\",round(ELo,3); #Energy of La X-ray\n",
"\n",
"#partb\n",
"EL=-EK+EKa;\n",
"\n",
"#result\n",
"print\"Hence the binding energy of the L electon in KeV.is\",round(EL,3); # for electron L electron"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"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": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"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",
"#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": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"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": 5
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 8.4 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",
"#result\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": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"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": 6
}
],
"metadata": {}
}
]
}
|
