summaryrefslogtreecommitdiff
path: root/Modern_Physics/Chapter14.ipynb
diff options
context:
space:
mode:
authornice2014-08-27 16:12:51 +0530
committernice2014-08-27 16:12:51 +0530
commit238d7e632aecde748a97437c2b5774e136a3b4da (patch)
treea05d96f81cf72dc03ceec32af934961cf4ccf7dd /Modern_Physics/Chapter14.ipynb
parent7e82f054d405211e1e8760524da8ad7c9fd75286 (diff)
downloadPython-Textbook-Companions-238d7e632aecde748a97437c2b5774e136a3b4da.tar.gz
Python-Textbook-Companions-238d7e632aecde748a97437c2b5774e136a3b4da.tar.bz2
Python-Textbook-Companions-238d7e632aecde748a97437c2b5774e136a3b4da.zip
adding book
Diffstat (limited to 'Modern_Physics/Chapter14.ipynb')
-rwxr-xr-xModern_Physics/Chapter14.ipynb349
1 files changed, 349 insertions, 0 deletions
diff --git a/Modern_Physics/Chapter14.ipynb b/Modern_Physics/Chapter14.ipynb
new file mode 100755
index 00000000..4fff498c
--- /dev/null
+++ b/Modern_Physics/Chapter14.ipynb
@@ -0,0 +1,349 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:bb0d2851c786dd28ae3ad8cbd1e6a7fc5db7cc1384cc2031f2bb6380ed7515e2"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 14: Nuclear Physics Apllications"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 14.1, page no. 505"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "\n",
+ "#Variable declaration\n",
+ "\n",
+ "MLi = 7.016003 #atomic mass of Lithium\n",
+ "MH = 1.007825 #atomic mass of Hydrogen\n",
+ "MHe = 4.002603 #atomic mass of Helium\n",
+ "c2 = 931.50 #Square of speed of light (MeV/u)\n",
+ "\n",
+ "#Calculation\n",
+ "\n",
+ "Q = (MLi + MH - 2*MHe) * c2\n",
+ "\n",
+ "#Results\n",
+ "\n",
+ "print \"(a) The Q value is\",round(Q,1),\"MeV.\"\n",
+ "\n",
+ "\n",
+ "\n",
+ "#Variable declaration\n",
+ "\n",
+ "Kincident = 0.6 #kinetic energy of incident particle (MeV)\n",
+ "\n",
+ "#Calculation\n",
+ "\n",
+ "Kproducts = Q + Kincident\n",
+ "\n",
+ "#Results\n",
+ "\n",
+ "print \"(b) The kinetic energy of the products is\",round(Kproducts,1),\"MeV.\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(a) The Q value is 17.3 MeV.\n",
+ "(b) The kinetic energy of the products is 17.9 MeV.\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 14.2, page no. 509"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "\n",
+ "#Variable declaration\n",
+ "\n",
+ "A = 27 #Atomic number of Aluminum\n",
+ "d = 2.7 #density of aluminum\n",
+ "Av = 6.02 * 10 ** 23 #Avogadro number nuclei/mol\n",
+ "sigma = 2.0 * 10 **-31 #capture cross section (m^2)\n",
+ "x = 0.3 * 10 ** -3 #thickness of the foil(m)\n",
+ "R0 = 5.0 * 10 ** 12 #rate of incident particles(neutrons/cm^2.s)\n",
+ "\n",
+ "#Calculation\n",
+ "\n",
+ "n = Av * d / A * 10**6\n",
+ "R = R0 * sigma * x * n\n",
+ "\n",
+ "#Result\n",
+ "\n",
+ "print \"The number of neutrons captured by 1.0cm^2/s is \",round(R/10**7,1),\"X 10^7 neutrons/cm^2.s\"\n",
+ "\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The number of neutrons captured by 1.0cm^2/s is 1.8 X 10^7 neutrons/cm^2.s\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 14.3, page no. 512"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "#Variable declaration\n",
+ "\n",
+ "A = 235 #atomic number of uranium\n",
+ "m = 10**3 #mass of 235U\n",
+ "Av = 6.02*10**23#avogadro number (nuclei/mol)\n",
+ "Q = 208 #disintegration energy per event (MeV)\n",
+ "\n",
+ "#Calculation\n",
+ "\n",
+ "N = Av * m / A\n",
+ "E = N * Q\n",
+ "\n",
+ "#Result\n",
+ "\n",
+ "print \"The disintegration energy is\",round(E/10**26,2),\"X 10^26 MeV.\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The disintegration energy is 5.33 X 10^26 MeV.\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 14.4, page no. 513"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "\n",
+ "#Variable declaration\n",
+ "\n",
+ "A = 235 #atomic mass of Uranium\n",
+ "Av = 6.02 * 10**23 # Avagadro's number\n",
+ "Q = 208 # disintegration energy per event (MeV)\n",
+ "\n",
+ "#Calculation\n",
+ "\n",
+ "N = Av / A *10**3 #No of nuclei in 1kg of 235U\n",
+ "E = N*Q #disintegration energy (MeV)\n",
+ "\n",
+ "#result\n",
+ "\n",
+ "print \"The disintegration energy is\",round(E/10**26,2),\" X 10^26 MeV.\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The disintegration energy is 5.33 X 10^26 MeV.\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 14.5, page no. 513"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "#Variable declaration\n",
+ "\n",
+ "rBa = 6.2 * 10 **-15 #nuclear radius of Ba(m)\n",
+ "rKr = 5.4 * 10**-15 #nuclear radius of Kr(m)\n",
+ "Z1 = 56 #atomic number of Ba\n",
+ "Z2 = 36 #atomic number of Kr\n",
+ "k = 1.440 * 10 **-9 #Coulomb constant (eV.nm)\n",
+ "\n",
+ "#Calculation\n",
+ "\n",
+ "r = rBa + rKr\n",
+ "U = k * Z1 * Z2 /( round(r/10**-15) * 10**-15)\n",
+ "\n",
+ "#Result\n",
+ "\n",
+ "print \"The potential energy of the two nuclei is\",round(U/10**6),\"MeV.\" "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The potential energy of the two nuclei is 242.0 MeV.\n"
+ ]
+ }
+ ],
+ "prompt_number": 17
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 14.6, page no. 519"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "\n",
+ "#variable declaration\n",
+ "\n",
+ "e = 1.6 * 10 ** -19 #electron charge (C)\n",
+ "r = 1.0 * 10**-14 #separation (m)\n",
+ "k = 8.99 * 10**9 #Coulomb constant(N.m^2/C^2)\n",
+ "\n",
+ "#Calculation\n",
+ "\n",
+ "U = k * e**2/ r\n",
+ "\n",
+ "#result\n",
+ "\n",
+ "print \"(a)The height of the potential barrier is\",round(U/e/10**6,2),\"MeV.\"\n",
+ "\n",
+ "\n",
+ "#Variable Declaration\n",
+ "\n",
+ "kB = 1.38 * 10**-23 #Boltzmann's constant (J/K)\n",
+ "\n",
+ "#Calculation\n",
+ "\n",
+ "T = (U/2.0)*(2.0/3.0)/(kB+.07*10**-23)\n",
+ "\n",
+ "#Result\n",
+ "\n",
+ "print\"(b)The effective temperature is\",round(T/10**8,1),\"X 10^8 K.\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(a)The height of the potential barrier is 0.14 MeV.\n",
+ "(b)The effective temperature is 5.3 X 10^8 K.\n"
+ ]
+ }
+ ],
+ "prompt_number": 22
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 14.7, page no. 530"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "import math\n",
+ "\n",
+ "#variable declaration\n",
+ "\n",
+ "mu = 55 #mu for x-rays \n",
+ "\n",
+ "#Calculation\n",
+ "\n",
+ "x = math.log(2)/mu\n",
+ "\n",
+ "#Result\n",
+ "\n",
+ "print \"The half value thickness for lead is\",round(x/10**-2,2),\"X 10^-2 cm.\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The half value thickness for lead is 1.26 X 10^-2 cm.\n"
+ ]
+ }
+ ],
+ "prompt_number": 24
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file