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{
"metadata": {
"name": "",
"signature": "sha256:c77b859962fb938dcd11a74749cd47ac07047d0f8605a1cc5e5320189808ac31"
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 27 Polarisation of light "
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 27.1 Page no 758"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"u=1.536\n",
"\n",
"#Calculation\n",
"import math\n",
"p=math.atan(u)*180/3.14\n",
"r=90-p\n",
"\n",
"#Result\n",
"print\"Angle of refraction is\", round(r,1),\"degree\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Angle of refraction is 33.0 degree\n"
]
}
],
"prompt_number": 5
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 27.2 Page no 758"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"p=60 #degree\n",
"\n",
"#Calculation\n",
"import math\n",
"u=math.tan(p*3.14/180.0)\n",
"C=1/u\n",
"C1=math.asin(C)*180/3.14\n",
"\n",
"#Result\n",
"print\"Critical angle is\", round(C1,1),\"Degree\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Critical angle is 35.3 Degree\n"
]
}
],
"prompt_number": 24
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 27.3 Page no 758"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"a=60 #degree\n",
"b=100\n",
"\n",
"#Calculation\n",
"import math\n",
"a1=90-a\n",
"A=a/2.0\n",
"I=(math.cos(A*3.14/180.0)**2)/2.0\n",
"I0=b*I\n",
"\n",
"#result\n",
"print\"Unpolarised light is\", round(I0,1),\"%\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Unpolarised light is 37.5 %\n"
]
}
],
"prompt_number": 30
}
],
"metadata": {}
}
]
}
|
