Added(A)/Deleted(D) following books

 M  Basic_Electronics_Electronics_Engineering_by_J_B_Gupta/README.txt
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter10_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter11_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter12_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter13_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter14_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter15_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter16_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter2_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter3_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter4_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter5_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter6_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter7_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/Chapter8_1.ipynb
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/screenshots/2correlationCoeff_1.png
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/screenshots/2expansionofSignal_1.png
M  Modern_Digital_And_Analog_Communication_System_by_B._P._Lathi/screenshots/2timeInvertedsignal_1.png
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/Chapter10_1.ipynb
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/Chapter11_1.ipynb
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/Chapter15_1.ipynb
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/Chapter1_1.ipynb
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/Chapter2_1.ipynb
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/Chapter3_1.ipynb
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/Chapter5_1.ipynb
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/Chapter6_1.ipynb
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/Chapter7_1.ipynb
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/Chapter8_1.ipynb
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/Chapter9_1.ipynb
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/screenshots/ctftch1.png
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/screenshots/fourierTransch1.png
M  Principle_of_Communication_Engineering_by_A._Singh_and_A._K._Chhabra/screenshots/modulatedWaveChap3_1.png
M  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/README.txt
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter10_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter11_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter12_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter1_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter2_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter3_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter4_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter5_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter6_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter7_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter8_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/Chapter9_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/chapter13_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/chapter14_1.ipynb
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/screenshots/Chapter10.png
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/screenshots/Chapter1_1.png
M  Solid_State_Electronic_Devices_by_D.K_Bhattacharya_,_Rajnish_Sharma/screenshots/Chapter5.png
M  Solutions_to_Problems_in_Applied_Mechanics_by_A._N._Gobby/README.txt
M  Theory_of_Alternating_Current_Machinery_by_A._S._Langsdorf/README.txt
M  Thermodynamics_by_Gaggioli_and_Obert/Ch18.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/Ch8.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch1.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch10.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch11.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch12.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch13.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch14.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch15.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch16.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch17.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch2.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch3.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch5.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch7.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/ch9.ipynb
M  Thermodynamics_by_Gaggioli_and_Obert/screenshots/changeInMoisture14.png
M  Thermodynamics_by_Gaggioli_and_Obert/screenshots/degreeOfSaturation14.png
M  Thermodynamics_by_Gaggioli_and_Obert/screenshots/humidityratio14.png
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter1.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter10.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter11.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter12.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter14.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter15.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter16.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter2.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter3.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter4.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter5.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter6.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter7.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter9.ipynb
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/screenshots/1.png
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/screenshots/2.png
A  Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/screenshots/3.png
M  f_by_134/1_An_overview_of_C++.ipynb
A  f_by_134/1_An_overview_of_C++_1.ipynb
A  f_by_134/screenshots/anshul.png
A  f_by_134/screenshots/anshul_1.png
A  f_by_134/screenshots/anshul_2.png
M  f_by_134/screenshots/chapter14_eg3.png
M  f_by_134/screenshots/chapter14_eg6.png
M  f_by_134/screenshots/chapter14_eg6_1.png
M  f_by_df/ashvani.ipynb
M  f_by_df/chapter03_16.ipynb
M  f_by_df/chapter03_16_1.ipynb
M  f_by_df/screenshots/1.png
M  f_by_df/screenshots/2.png
M  f_by_df/screenshots/3.png
M  f_by_df/screenshots/chapter14_eg10.png
M  f_by_df/screenshots/chapter14_eg3.png
M  f_by_df/screenshots/chapter14_eg6.png
M  f_by_df/screenshots/image.png
M  f_by_df/screenshots/image_1.png
M  f_by_df/screenshots/image_2.png
M  sample_notebooks/AditiMalik/Chapter6.ipynb
M  sample_notebooks/IshitaGupta/Chapter12.ipynb
M  sample_notebooks/MeenaChandrupatla/Chapter2_Gases_2.ipynb
M  sample_notebooks/RONAKBANSAL/chapter_1.ipynb
M  sample_notebooks/SufiyanSiddique/Chapter2.ipynb
M  sample_notebooks/asmitaasmita/1_An_overview_of_C++.ipynb
M  sample_notebooks/asmitaasmita/1_An_overview_of_C++_1.ipynb
A  sample_notebooks/asmitaasmita/1_An_overview_of_C++_2.ipynb
M  sample_notebooks/chayas/DimensionsSystemUnits.ipynb

1 files changed, 173 insertions, 0 deletions

diff --git a/Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter9.ipynb b/Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter9.ipynb
new file mode 100644
index 00000000..c759246f
--- /dev/null
+++ b/Unified_Physics_by_S.L._Gupta,_Sanjeev_Gupta/Chapter9.ipynb
@@ -0,0 +1,173 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 9: Nuclear Reactions"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example number 1, Page number 272"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "number of nuclei produced per second is 1.66 *10**5\n",
+      "answer given in the book is wrong\n"
+     ]
+    }
+   ],
+   "source": [
+    "#importing modules\n",
+    "import math\n",
+    "from __future__ import division\n",
+    "\n",
+    "#Variable declaration    \n",
+    "rho=19.3*10**3;         #density(kg/m**3)\n",
+    "N=6.02*10**23;          #avagadro number\n",
+    "M=197;                  #molecular weight\n",
+    "a=2*10**12;             #neutrons/m**2 sec\n",
+    "A=5*10**-4;             #area(m**2)\n",
+    "sigma=94*10**-28;               #reaction cross section(m**2)\n",
+    "t=0.3*10**-3;                  #thickness(m)\n",
+    "\n",
+    "#Calculations\n",
+    "n=rho*N/M;              #number of nuclei per unit volume(per m**3)\n",
+    "N0=a*A;                 #number of neutrons hitting the target\n",
+    "N0_N=N0*(1-math.exp(-n*sigma*t));       #number of nuclei produced per second\n",
+    "\n",
+    "#Result\n",
+    "print \"number of nuclei produced per second is\",round(N0_N/10**5,2),\"*10**5\"\n",
+    "print \"answer given in the book is wrong\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example number 2, Page number 275"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "energy of neutron is 19.768 MeV\n",
+      "energy of Be is 5.007 MeV\n",
+      "angle of recoil of Be atom is 44.855 or 45 degrees\n"
+     ]
+    }
+   ],
+   "source": [
+    "#importing modules\n",
+    "import math\n",
+    "from __future__ import division\n",
+    "\n",
+    "#Variable declaration    \n",
+    "M1=2.01472;       #molecular mass of H(amu)\n",
+    "M0=7.01784;       #molecular mass of Li(amu)\n",
+    "M2=8.00776;       #molecular mass of Be(amu)\n",
+    "M3=1.00893;       #molecular mass of n(amu)\n",
+    "Ek1=10;           #energy(MeV)\n",
+    "\n",
+    "#Calculations\n",
+    "M1M0=M1+M0;       #mass of interacting particles(amu)\n",
+    "M2M3=M2+M3;       #mass of product particles(amu)\n",
+    "Q=(M1M0-M2M3)*931; #decrease in mass(MeV)\n",
+    "Ek3=(Q+(Ek1*(1-(M1/M2))))/(1+(M3/M2));   #energy of neutron(MeV)\n",
+    "Ek2=Q+Ek1-Ek3;        #energy of Be(MeV)\n",
+    "phi=math.atan(math.sqrt(Ek3*M3/(Ek1*M1)));     #angle of recoil of Be atom(rad)\n",
+    "phi=phi*180/math.pi;                   #angle of recoil of Be atom(degrees)\n",
+    "\n",
+    "#Result\n",
+    "print \"energy of neutron is\",round(Ek3,3),\"MeV\" \n",
+    "print \"energy of Be is\",round(Ek2,3),\"MeV\" \n",
+    "print \"angle of recoil of Be atom is\",round(phi,3),\"or\",int(round(phi)),\"degrees\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example number 3, Page number 277"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 22,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "energy of emitted protons is 5.3 MeV\n"
+     ]
+    }
+   ],
+   "source": [
+    "#importing modules\n",
+    "import math\n",
+    "from __future__ import division\n",
+    "\n",
+    "#Variable declaration    \n",
+    "Q=-3.9;     #Q value of reaction(MeV)\n",
+    "M1=1.0087;       #molecular mass of incident neutron(amu)\n",
+    "M2=18.99;        #molecular mass of O nucleus(amu)\n",
+    "M3=1.0078;       #molecular mass of proton(amu)\n",
+    "Ek1=10;          #energy of incident neutron(MeV)\n",
+    "\n",
+    "#Calculations\n",
+    "x=1-(M1/M2);\n",
+    "y=1+(M3/M2);\n",
+    "Ek3=(Q+Ek1*x)/y;   #energy of emitted protons(MeV)\n",
+    "\n",
+    "#Result\n",
+    "print \"energy of emitted protons is\",round(Ek3,1),\"MeV\""
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 2",
+   "language": "python",
+   "name": "python2"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.11"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}