From df60071cf1d1c18822d34f943ab8f412a8946b69 Mon Sep 17 00:00:00 2001
From: hardythe1
Date: Wed, 3 Jun 2015 15:27:17 +0530
Subject: add books

---
 .../Chapter12_1.ipynb                              | 144 +++++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100755 _A_Textbook_Of_Engineering_Physics/Chapter12_1.ipynb

(limited to '_A_Textbook_Of_Engineering_Physics/Chapter12_1.ipynb')

diff --git a/_A_Textbook_Of_Engineering_Physics/Chapter12_1.ipynb b/_A_Textbook_Of_Engineering_Physics/Chapter12_1.ipynb
new file mode 100755
index 00000000..7ced75e1
--- /dev/null
+++ b/_A_Textbook_Of_Engineering_Physics/Chapter12_1.ipynb
@@ -0,0 +1,144 @@
+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:4671074782cd36f56500529820b222f929e1453d2be6b38ad8ab85fd8d868d5a"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter12-Ultrasonics"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex1-pg295"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "##Example 12.1\n",
+      "##calculation of natural frequency,magnetostriction\n",
+      "\n",
+      "##given values\n",
+      "\n",
+      "l=40*10**-3.;##length of pure iron rod\n",
+      "d=7.25*10**3.;##density of iron in kg/m**3\n",
+      "Y=115*10**9.;##Young's modulus in N/m**2 \n",
+      "\n",
+      "##calculation\n",
+      "f=(1*math.sqrt(Y/d))/(2.*l);\n",
+      "print'%s %.2f %s'%('the natural frequency(in kHz) is',f*10**-3,'');\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "the natural frequency(in kHz) is 49.78 \n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex2-pg297"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "##Example 12.2\n",
+      "##calculation of natural frequency\n",
+      "\n",
+      "##given values\n",
+      "\n",
+      "t=5.5*10**-3.;##thickness in m\n",
+      "d=2.65*10**3.;##density in kg/m**3\n",
+      "Y=8*10**10.;##Young's modulus in N/m**2 \n",
+      "\n",
+      "\n",
+      "##calculation\n",
+      "f=(math.sqrt(Y/d))/(2.*t);##frequency in hertz\n",
+      "print'%s %.2f %s'%('the natural frequency(in kHz) is',f*10**-3,'');\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "the natural frequency(in kHz) is 499.49 \n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex3-pg301"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "##Example 12.3\n",
+      "##calculation of depth and wavelength\n",
+      "\n",
+      "##given values\n",
+      "\n",
+      "f=.07*10**6;##frequency in Hz\n",
+      "t=.65;##time taken for pulse to return\n",
+      "v=1700.;##velocity of sound in sea water in m/s\n",
+      "\n",
+      "##calculation\n",
+      "d=v*t/2.;##\n",
+      "print'%s %.2f %s'%('the depth of sea(in m) is',d,'');\n",
+      "l=v/f;##wavelenght of pulse in m\n",
+      "print'%s %.2f %s'%('wavelength of pulse (in cm)is',l*10**2,'');"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "the depth of sea(in m) is 552.50 \n",
+        "wavelength of pulse (in cm)is 2.43 \n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
\ No newline at end of file
-- 
cgit