Wine Glass Lab Report

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1. Introduction 1.1 Background Everyone has heard of or seen of an opera singer breaking glass with his/her robust vocals. From cartoons to Ella Fitzgerald from classical 1970's commercials, the phenomenon between loud, piercing sounds and shattering glass is well known.1 This phenomenon depends highly on the property that is very specific for any material, its natural frequency. The material's natural frequency is the frequency an object will vibrate with after an extrinsic disturbance. These frequencies depend solely on the intrinsic physical quantities of the object. So, when a singer, for example, an opera singer shrieks/sings at precisely the accurate frequency that is in tune with the natural frequency of the wine glass, the wine glass…show more content…
I will fulfill my purpose through comparing and contrasting two different experiments: 1) Wine glass acoustics by Camilla Shu Yu Yang 2) The singing wine glass by Aras J. Zygas These experiments have been conducted differently but have the similar goals. In addition to that, I will come forth to a conclusion from what I have seen in each investigation. 1.3 Question Following known knowledge in physics and previous research/experiments, my research question will, therefore, be: How does the frequency vary with the water amount in a singing wine glass? The approach I will be using to answer my research question will be through measuring the frequencies at different portions of water in a wine glass. Further, a relationship between the frequency outcome and variation of the water will be found. The program FFT-properties7 will be used to obtain the measurements taken during the course of the experiment as a frequency values (Hz). In addition to that, analyzing the different frequencies will enable me to find the relationship between the frequency differentiation and the amount of water. 1.4…show more content…
Each wine glass was labeled. The experiment was conducted in a silent area and recordings of the singing wine glass were recorded without much interference. Each wine glass was recorded with different amounts of water in it, firstly with not water in it, secondly with 1/100 milliliters of water in it and lastly with 1/200 milliliters of water in it. The FFT program was used to take measurements and these measurements were graphed and analyzed on the

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