{
"metadata": {
"name": "",
"signature": "sha256:d86ea2343f7008555f3356fee2fcfd0faad0c29bd34da2bb93d133cd162e92e2"
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"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 3 Polarization of light"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.1 Page no 30"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"u =1.54 #refrective index of glass\n",
"\n",
"#Calculation\n",
"import math\n",
"i= math.atan(u*180/3.14)\n",
"r=3.14/2.0-i\n",
"\n",
"#Result\n",
"print\"Angle of refraction is\",round(r,4),\"degree\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Angle of refraction is 0.0105 degree\n"
]
}
],
"prompt_number": 11
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.2 Page no 30"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"i= 3.14/3.0\n",
"\n",
"#Calculation\n",
"import math\n",
"u= math.tan(i)*180/3.14\n",
"\n",
"#Result\n",
"print\"Refractive index of glass is\",round(u,2)\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Refractive index of glass is 99.17\n"
]
}
],
"prompt_number": 13
},
{
"cell_type": "raw",
"metadata": {},
"source": [
"Example 3.3 Page no 31"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"Uo =1.55\n",
"Ue =1.54\n",
"w=6*10**-7\n",
"\n",
"#Calculation\n",
"p=w/2.0\n",
"t=w /(2*( Uo -Ue))\n",
"\n",
"#Result\n",
"print\"Thickness of doubly refracting crystal is\",t*10**2,\"cm\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Thickness of doubly refracting crystal is 0.003 cm\n"
]
}
],
"prompt_number": 15
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.4 Page no 31"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"Uo =1.54\n",
"r =1.007\n",
"Ue=r*Uo\n",
"w =5893*10**-10\n",
"\n",
"#Calculation\n",
"t=w /(2*( Uo -Ue))\n",
"t= abs (t)\n",
"\n",
"print\"Thickness of halfwave plate is\",round(t*10**5,3)*10**-5"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Thickness of halfwave plate is 2.733e-05\n"
]
}
],
"prompt_number": 19
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.5 Page no 32"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"Uo =1.652 #refractive index for O ray\n",
"Ue =1.488\n",
"w =546*10**-9\n",
"\n",
"#Calculation\n",
"p=w/2.0\n",
"t=w /(4.0*( Uo -Ue))\n",
"t1=t *100\n",
"\n",
"#Result\n",
"print\"Thickness of quarterwave plate is\",round(t1*10**5,2)*10**-5,\"cm\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Thickness of quarterwave plate is 8.32e-05 cm\n"
]
}
],
"prompt_number": 23
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.6 Page no 32"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"Uo =1.658\n",
"Ue =1.486\n",
"w =589*10**-9\n",
"n =1\n",
"\n",
"#Calculation\n",
"t =(2*n -1)*w /(4.0*( Uo -Ue))\n",
"t1=t *100\n",
"\n",
"#Result\n",
"print\"Thickness of calcite plate is\",round(t1*10**5,2)*10**-5,\"cm\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Thickness of calcite plate is 8.56e-05 cm\n"
]
}
],
"prompt_number": 27
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.7 Page no 33"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"Ur =1.55810\n",
"Ul =1.55821\n",
"w=4*10**-7\n",
"d =0.002\n",
"\n",
"#Calculation\n",
"R= 3.14*d*(Ul -Ur)/w\n",
"R1=R *180/3.14\n",
"\n",
"#Result\n",
"print\"Amount of optional rotation is\",R1,\"Degree\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Amount of optional rotation is 99.0 Degree\n"
]
}
],
"prompt_number": 29
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.8 Page no 33"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"Uo =1.5508\n",
"Ue =1.5418\n",
"w=5.0*10**-7\n",
"t =0.000032\n",
"\n",
"#Calculation\n",
"p =2*3.14*(Uo -Ue)*t/w\n",
"\n",
"#Result\n",
"print\"Phase retardation is\",round(p,2),\"radian\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Phase retardation is 3.62 radian\n"
]
}
],
"prompt_number": 31
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.9 Page no 33"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"theta =6.5\n",
"l =2\n",
"C =0.05\n",
"\n",
"#Calculation\n",
"S= theta /(l*C)\n",
"\n",
"#Result\n",
"print\"Specific rotation of sugar solution is\",S"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Specific rotation of sugar solution is 65.0\n"
]
}
],
"prompt_number": 32
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.10 Page no 34"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"l =2 #length of solution in decimeter\n",
"theta =12\n",
"S =60.0\n",
"\n",
"#Calculation\n",
"C= theta /(S*l)\n",
"\n",
"#Result\n",
"print\"Strength of solution is\",C,\"gm/cc\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Strength of solution is 0.1 gm/cc\n"
]
}
],
"prompt_number": 34
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.11 Page no 34"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"b =.172 #bifringe of plate\n",
"w=6*10**-7\n",
"\n",
"\n",
"#Calculation\n",
"t=w /(4*( b))\n",
"t1=t *100\n",
"\n",
"#Result\n",
"print\"Thickness of quarterwave plate is\",round(t1*10**5,2)*10**-5,\"cm\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Thickness of quarterwave plate is 8.72e-05 cm\n"
]
}
],
"prompt_number": 39
}
],
"metadata": {}
}
]
}