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diff --git a/Principles_of_Physics_by_P_V_Naik/9-Interference.ipynb b/Principles_of_Physics_by_P_V_Naik/9-Interference.ipynb new file mode 100644 index 0000000..bef1703 --- /dev/null +++ b/Principles_of_Physics_by_P_V_Naik/9-Interference.ipynb @@ -0,0 +1,188 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 9: Interference" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 9.1: Wavelength.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc\n", +"clear\n", +"//Input data\n", +"t=0.2//Thickness of film in micro m\n", +"r=1.25//Refractive index of liquid\n", +"w=[4000,5000]//Range of wavelength in Angstrom\n", +"q=35//Angle observed in degrees\n", +"\n", +"//Calculations\n", +"u=asind(sind(q)/r)//Angle of reflection in degrees\n", +"w1=(2*t*10^-6*r*cosd(u))/10^-10//Wavelength in Angstrom\n", +"w2=w1/2//Wavelength in Angstrom\n", +"\n", +"//Output\n", +"printf('Wavelength absent in reflected light is %i Angstrom',w2)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 9.2: Thickness_of_the_film.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc\n", +"clear\n", +"//Input data\n", +"r=1.39//Refractive index of the film \n", +"q=30//Angle observed in degrees\n", +"w=[5125,5000]//Wavelengths of two consecutive dark bands in Angstrom\n", +"\n", +"//Calculations\n", +"r1=asind(sind(q)/r)//Angle of reflection in degrees\n", +"n=w(2)/(w(1)-w(2))//Constant value\n", +"t=((n*w(1)*10^-8)/(2*r*cosd(r1)))/10^-4//Thickness of the film in cm *10^-4\n", +"\n", +"//Output\n", +"printf('Thickness of the film is %3.4f *10^-4 cm',t)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 9.3: Angle_of_wedge.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc\n", +"clear\n", +"//Input data\n", +"r=1.4//Refractive index of the material\n", +"w=5893//Wavelength of yellow light in Angstrom\n", +"n=10//Number of bands\n", +"w1=0.009//Width of band in m\n", +"\n", +"//Calculations\n", +"b=asind((w*10^-8)/(2*r*n*w1))//Angle of wedge in degrees\n", +"\n", +"//Output\n", +"printf('Angle of wedge is %3.4f degrees',b)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 9.4: Thickness.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc\n", +"clear\n", +"//Input data\n", +"r=1//Refractive index\n", +"n=4//Number of bands\n", +"w=6500//Wavelength in Angstrom\n", +"\n", +"//Calculations\n", +"t=(((n+(1/2))*w*10^-8)/(2*r))/10^-4//Thickness of wedge shaped air film in cm *10^-4\n", +"\n", +"//Output\n", +"printf('Thickness of wedge shaped air film is %3.4f *10^-4 cm',t)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 9.5: Radius_of_curvature.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc\n", +"clear\n", +"//Input data\n", +"d=0.5//Diameter of the ring in cm\n", +"n=4//number of bands\n", +"w=5893//Wavelength of light in Angstrom\n", +"q=30//Angle at which light enters in degrees\n", +"\n", +"//Calculations\n", +"R=((d^2*cosd(q))/(2*(2*n+1)*w*10^-8))//Radius of curvature of lens in cm\n", +"\n", +"//Output\n", +"printf('Radius of curvature of lens is %3.1f cm',R)" + ] + } +], +"metadata": { + "kernelspec": { + "display_name": "Scilab", + "language": "scilab", + "name": "scilab" + }, + "language_info": { + "file_extension": ".sce", + "help_links": [ + { + "text": "MetaKernel Magics", + "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md" + } + ], + "mimetype": "text/x-octave", + "name": "scilab", + "version": "0.7.1" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |