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diff --git a/Engineering_Physics/Chapter17_1.ipynb b/Engineering_Physics/Chapter17_1.ipynb new file mode 100644 index 00000000..f0df2691 --- /dev/null +++ b/Engineering_Physics/Chapter17_1.ipynb @@ -0,0 +1,49 @@ +{ + "metadata": { + "name": "Chapter17" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": "17: Ultrasonics" + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": "Example number 17.1, Page number 352" + }, + { + "cell_type": "code", + "collapsed": false, + "input": "#To calculate the thickness of vibrating quartz\n\n#importing modules\nimport math\nfrom __future__ import division\n\n#Variable declaration\nf = 3; #Fundamental vibrational frequency of quartz crystal(MHz)\nY = 7.9*10**10; #Young's modulus of quartz(N/m**2)\nrho = 2650; #Density of quartz(kg/m**3)\n\n#Calculation\nf = f*10**6; #Fundamental vibrational frequency of quartz crystal(Hz)\nl = 1/(2*f)*math.sqrt(Y/rho); #Thickness of vibrating quartz at resonance(m)\nl = l*10**3; #Thickness of vibrating quartz at resonance(mm)\nl = math.ceil(l*100)/100; #rounding off the value of l to 2 decimals\n\n#Result\nprint \"The thickness of vibrating quartz at resonance is\",l, \"mm\"", + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": "The thickness of vibrating quartz at resonance is 0.91 mm\n" + } + ], + "prompt_number": 1 + }, + { + "cell_type": "code", + "collapsed": false, + "input": "", + "language": "python", + "metadata": {}, + "outputs": [] + } + ], + "metadata": {} + } + ] +}
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