diff options
Diffstat (limited to 'Material_Science_by_S_L_Kakani_and_A_Kakani/6-Photoelectric_Effect.ipynb')
| -rw-r--r-- | Material_Science_by_S_L_Kakani_and_A_Kakani/6-Photoelectric_Effect.ipynb | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/Material_Science_by_S_L_Kakani_and_A_Kakani/6-Photoelectric_Effect.ipynb b/Material_Science_by_S_L_Kakani_and_A_Kakani/6-Photoelectric_Effect.ipynb new file mode 100644 index 0000000..3b52726 --- /dev/null +++ b/Material_Science_by_S_L_Kakani_and_A_Kakani/6-Photoelectric_Effect.ipynb @@ -0,0 +1,245 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 6: Photoelectric Effect" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.1: kinetic_energy_of_electrons_ejected_from_the_surface.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Exam:6.1\n", +"clc;\n", +"clear;\n", +"close;\n", +"h=6.62*10^-34;\n", +"c=3*10^8;\n", +"e=1.6*10^-19;\n", +"Wavelength_1=2300*10^-10;\n", +"W=h*c/Wavelength_1;//Work function\n", +"Wavelength_2=1800*10^-10;\n", +"E_in=h*c/Wavelength_2;\n", +"E=E_in-W;//kinetic energy of the ejected electron(in Joules)\n", +"E_1=E/e;//kinetic energy of the ejected electron(in eV)\n", +"disp(E_1,'kinetic energy of the ejected electron(in eV)=');" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.2: Calculate_the_threshold_frequency_and_the_corresponding_wavelength.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Exam:6.2\n", +"clc;\n", +"clear;\n", +"close;\n", +"h=6.625*(10^(-34));//Planck's constant(in m2*kg/s)\n", +"c=3*10^8;//speed of light (in m/s)\n", +"e=1.602*10^-19;//electron charge(in coulomb)\n", +"W=2.3;//work (in eV)\n", +"W_1=W*e;//work (in joules)\n", +"v_o=W_1/h;//threshold frequency(in Hz)\n", +"Wavelength=(h*c/W_1)/10^(-10);//Wavelength in Angstrom\n", +"disp(v_o,'threshold frequency(Hz)=');\n", +"disp(Wavelength,'Wavelength (in Angstrom)=');" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.3: Calculate_the_threshold_frequency_and_the_work_function_of_metal.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Exam:6.3\n", +"clc;\n", +"clear;\n", +"close;\n", +"h=6.625*(10^(-34));//Planck's constant(in m2*kg/s)\n", +"c=3*10^8;//speed of light (in m/s)\n", +"e=1.602*10^-19;//electron charge(in coulomb)\n", +"wavelength=6800*10^-10;//wavelength of radiation\n", +"v_o=c/wavelength;//frequency\n", +"W=h*v_o;//Work function\n", +"disp(v_o,'threshold frequency(in Hz)=')\n", +"disp(W,'work function of metal(in joule)=')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.4: Calculate_the_photons_emitted_by_lamp_per_second.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Exam:6.4\n", +"clc;\n", +"clear;\n", +"close;\n", +"h=6.625*(10^(-34));//Planck's constant(in m2*kg/s)\n", +"c=3*10^8;//speed of light (in m/s)\n", +"L_r =150*8/100;//Lamp rating(in joule)\n", +"wavelength=4500*10^-10;//in meter\n", +"W=h*c/wavelength;//work function\n", +"N=L_r/W;//number of photons emitted by lamp per second\n", +"disp(N,'number of photons emitted by lamp per second=')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.5: Determine_the_region_of_electrons_spectrum.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Exam:6.5\n", +"clc;\n", +"clear;\n", +"close;\n", +"h=6.6*(10^(-34));//Planck's constant(in m2*kg/s)\n", +"c=3*10^8;//speed of light (in m/s)\n", +"e=1.6*10^-19;//electron charge(in coulomb)\n", +"W=2.24;//work function(in eV)\n", +"W_1=W*e;//work function(in joule)\n", +"v=(W_1/h)*10^-10;//frequency\n", +"wavelength=c/v;//region of electrons spectrum is less than(in angstrom)\n", +"disp(wavelength,'region of electrons spectrum is less than(in angstrom)')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.6: Calculate_the_photons_emitted_by_radio_receiver.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Exam:6.6\n", +"clc;\n", +"clear;\n", +"close;\n", +"h=6.625*(10^(-34));//Planck's constant(in m2*kg/s)\n", +"c=3*10^8;//speed of light (in m/s)\n", +"P_o=10*10^3;//Power of radio receiver (in Watt)\n", +"v=440*10^3;//Operating frequency\n", +"E=h*v;//Energy of each electron\n", +"N=P_o/E;//Number of photons emitted/sec\n", +"disp(N,'Number of photons emitted/sec by radio receiver=')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.7: wavelength_of_light_which_can_just_eject_electron_from_tungsten_and_from_barrium.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Exam:6.7\n", +"clc;\n", +"clear;\n", +"close;\n", +"W_t=4.52;//Work function for tungesten(in eV)\n", +"W_b=2.5;//Work function for barrium(in eV)\n", +"h=6.62*(10^(-34));//Planck's constant(in m2*kg/s)\n", +"c=3*10^8;//speed of light (in m/s)\n", +"e=1.6*10^-19;//electron charge(in coulomb)\n", +"W_T=W_t*e;//Work function for tungesten(in Joule)\n", +"W_B=W_b*e;//Work function for barrium(in Joule)\n", +"Wavelength_T=(h*c/W_T)*10^10;//wavelength of light which can just eject electron from tungsten\n", +"Wavelength_B=(h*c/W_B)*10^10;//wavelength of light which can just eject electron from barrium\n", +"disp(Wavelength_T,'wavelength of light which can just eject electron from tungsten(in Angstrom)=')\n", +"disp(Wavelength_B,'wavelength of light which can just eject electron from barrium(in Angstrom)=')" + ] + } +], +"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 +} |