Vibrating String.docx - Rachael Roman Ami Patel Vibrating...

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Rachael Roman Ami Patel Vibrating StringPhysics 201 MWF 12:00-12:50/ TR 4:25-6:2511 April 2016 Abstract:The purpose of the lab was to study standing waves on a vibrating string and verifythe relationship between frequency, tension, wavelength, and speed. Standing wavedemonstrations take place in many classroom experiments. Different mechanisms areused to excite such a wave. A simple experiment demonstrating the excitement of astanding wave in a metal string is presented here. Several tasks using the set-up areconsidered, which help the students to better understand the standing waves, theinteraction between electric current and magnetic field and the resonance phenomena.
Equipment:1.PASCO vibrator with power supply2.Ring stand3.Clamps4.Pulley5.Two strings of different linear mass densities6.A set of weights7.A weight hanger8.Balance scale9.Meter stickIntroduction:Standing waves are created in a vibrating string when a wave is reflected from one end of the string so that the returning wave interferes with the original wave. The standing wave has nodes, where the string does not move and antinodes, where the string vibrates up and down with maximum amplitude.

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