diff options
Diffstat (limited to 'modern_physics_by_Satish_K._Gupta/chap_29.ipynb')
| -rw-r--r-- | modern_physics_by_Satish_K._Gupta/chap_29.ipynb | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/modern_physics_by_Satish_K._Gupta/chap_29.ipynb b/modern_physics_by_Satish_K._Gupta/chap_29.ipynb new file mode 100644 index 00000000..581d372d --- /dev/null +++ b/modern_physics_by_Satish_K._Gupta/chap_29.ipynb @@ -0,0 +1,298 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:15f32b3e96d10d200143bd7ffbc8811afc0974b65cf155210561266d411e6511"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 29 Wave Nature Of Matter"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 29.1 Page no 815"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "h=6.62*10**-34 #Js\n",
+ "Me=9.1*10**-31 #Kg\n",
+ "Ve=10**5 #m s**-1\n",
+ "Mp=1.67*10**-27 #Kg\n",
+ "Vp=10**5 #m s**-1\n",
+ "\n",
+ "#Calculation\n",
+ "Le=h/(Me*Ve)\n",
+ "Lp=h/(Mp*Vp)\n",
+ "\n",
+ "#Result\n",
+ "print\"The de-broglie wavelength of electron is\",round(Le*10**9,2),\"*10**-9 m\"\n",
+ "print\"The de-broglie wavelenght of proton is\",round(Lp*10**12,2),\"*10**-12 m\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The de-broglie wavelength of electron is 7.27 10**-9 m\n",
+ "The de-broglie wavelenght of proton is 3.96 10**-12 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 29.2 Page no 816"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "M0=9.1*10**-31 #Kg\n",
+ "h=6.62*10**-34 #J s\n",
+ "V=0.5 #c\n",
+ "V1=1.5*10**8\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "L=(h*math.sqrt(1-V**2))/(M0*V1)\n",
+ "\n",
+ "#Result\n",
+ "print\"The de-broglie wavelenght is\",round(L*10**12,1),\"*10**-12 m\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The de-broglie wavelenght is 4.2 10**-12 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 16
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 29.3 Page no 816"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "h=6.6*10**-34 #J s\n",
+ "m=9.1*10**-31 #kg\n",
+ "Iev=1.6*10**-19 #J\n",
+ "E=6.4*10**-17 #J\n",
+ "\n",
+ "#Calculation\n",
+ "L=h/(math.sqrt(2*m*E))\n",
+ "\n",
+ "#Result\n",
+ "print\"The de-broglie wavelenght of electron is\",round(L*10**10,2),\"A\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The de-broglie wavelenght of electron is 0.61 A\n"
+ ]
+ }
+ ],
+ "prompt_number": 23
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 29.4 Page no 816"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "T=300 #K\n",
+ "K=1.38*10**-23 #J\n",
+ "h=6.62*10**-34\n",
+ "m=1.675*10**-27\n",
+ "\n",
+ "#Calculation\n",
+ "E=(3/2.0)*K*T\n",
+ "L=h/(math.sqrt(2*m*E))\n",
+ "\n",
+ "#Result\n",
+ "print\"The de-broglie wavelenght associated with thermal neutrons is\",round(L*10**10,3),\"*10**-10 m\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The de-broglie wavelenght associated with thermal neutrons is 1.451 10**-10 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 30
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 29.5 Page no 816"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "L=10**-10 #m\n",
+ "h=6.62*10**-34\n",
+ "c=3*10**8\n",
+ "S=1.6*10**-19\n",
+ "m=9.11*10**-31 #kg\n",
+ "\n",
+ "#Calculation\n",
+ "#For X-ray photon of wavelength\n",
+ "E=(h*c)/L\n",
+ "E1=E/S\n",
+ "#For electron of wavelength \n",
+ "Mv=h/L\n",
+ "E2=(Mv**2)/(2*m)\n",
+ "E3=E2/S\n",
+ "\n",
+ "#Result\n",
+ "print\"Energy of electron is\",round(E3,1),\"eV\"\n",
+ "print\"It follows that X-ray photon has greater energy\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Energy of electron is 150.3 eV\n",
+ "It follows that X-ray photon has greater energy\n"
+ ]
+ }
+ ],
+ "prompt_number": 42
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 29.6 Page no 816"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "M=1.675*10**-27 #kg\n",
+ "E=2.4*10**-17 #J\n",
+ "h=6.62*10**-34\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "L=h/(math.sqrt(2*M*E))\n",
+ "\n",
+ "#Result\n",
+ "print\"The de-broglie wavelength of neutron is\",round(L*10**12,3)*10**-12,\" m\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The de-broglie wavelength of neutron is 2.335e-12 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 29.7 Page no 816"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "V=50 #kV\n",
+ "E=8.0*10**-15 #J\n",
+ "m=9.1*10**-31\n",
+ "h=6.62*10**-34\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "L=h/(math.sqrt(2*m*E))\n",
+ "\n",
+ "#Result\n",
+ "print\"Energy of electron is\",round(L*10**12,3),\"*10**-12 m\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Energy of electron is 5.486 10**-12 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 54
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file |