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{
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Introduction To Special Relativity And Space Science (By S.P. Singh)"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"CHAPTER NUMBER 1 : Interference Diffraction and Polarization"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"EXAMPLE 1.1 : (PAGE NUMBER 46)"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"#Given that\n",
"D=80# separation between source and screen in cm\n",
"d=0.18# separation between sources in cm \n",
"n=4# order of fringe\n",
"x_n=1.08# distance from central bright fringe in cm \n",
"print \"Standard formula used x_n= n*lambda1*D/d \"\n",
"\n",
"lambda1=d*x_n/(D*n)*1e7\n",
"print \"Wavelength of light used is\" ,lambda1, \"Angstrom.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Standard formula used x_n= n*lambda1*D/d \n",
"Wavelength of light used is 6075.0 Angstrom.\n"
]
}
],
"prompt_number": 7
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"EXAMPLE NUMBER 1.2 : (PAGE NUMBER 47)"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"#Given that\n",
"beta=0.0320#fringe width in cm\n",
"D=100# separation between source and screen in cm\n",
"d=0.184# separation between sources in cm \n",
"print \" Standard formula used beta=lambda1*D/d \"\n",
"lambda1=d*beta/D*1e8\n",
"print \"Wavelength of light used is\" ,lambda1,\"Angstrom.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Standard formula used beta=lambda1*D/d \n",
"Wavelength of light used is 5888.0 Angstrom.\n"
]
}
],
"prompt_number": 6
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"EXAMPLE NUMBER 1.3 : (Page Number 47)"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
" #Given that\n",
"beta=0.02 #fringe width in cm\n",
"D=100 # separation between source and screen in cm\n",
"u=30 # separation between slit and convex lens in cm\n",
"I=0.7 # separation between two images of slits on screen in cm\n",
"print\" Standard formula used beta=lambda1*D/d \" \n",
"v=100-u\n",
"O=I*u/v\n",
"d=O\n",
"lambda1=d*beta/D*1e8\n",
"print\" Wavelength of light used is\",lambda1, \"Angstrom.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Standard formula used beta=lambda1*D/d \n",
" Wavelength of light used is 6000.0 Angstrom.\n"
]
}
],
"prompt_number": 8
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"EXAMPLE NUMBER 1.4 : (Page Number 47)"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"#Given that\n",
"x_n=1.88# fringe separation of nth fringe from central fringe in cm \n",
"N=20# order of fringe\n",
"beta=0.02#fringe width in cm\n",
"D=120# separation between source and eyepiece in cm\n",
"d=0.076# separation between sources in cm \n",
"print \" Standard formula used beta= lambda1*D/d \"\n",
"beta=x_n/N # calculation of angle formed\n",
"lambda1=d*beta/D*1e8 # calculation of Wavelength of light\n",
"print \" Wavelength of light used is\", round(lambda1,4) , \"Angstrom.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Standard formula used beta= lambda1*D/d \n",
" Wavelength of light used is 5953.3333 Angstrom.\n"
]
}
],
"prompt_number": 10
}
],
"metadata": {}
}
]
}
|
