Melde's Vibrating String (Elastic), 3B22.10

Location:

(attachment photo showing the fully set up demonstration)

Description:

The Pasco driver controlled by a function generator vibrates elastic cord. By varying the driving frequency and amplitude one can produce standing waves. The nodes and the antinodes can be seen better by using the strobe lights.

Equipment

Location

ID Number

Pasco Mechanical Vibrator

[:WavesSoundCabinetA3A4: WS, Bay A4, Shelf #1]

Ring Stand with Elastic Cord

[:WavesSoundCabinetA3A4: WS, Bay A4, Shelf #1]

3B22.10

Strobe Lights

WS Bay, B7, Shelf #2

Function Generator

E&M, Bay B1, Shelf #3

Lead Brick

Rod and Stand Cabinet

(by Lecture Hall)

Extra Elastic Cord

WS, Bay A3, Shelf #3

Setup:

  1. Take the small ring stand with the elastic cord wrapped around it. Unwrap enough cord to stretch the cord acrossed the lecture bench.
  2. With the Pasco vi

Cautions, Warnings, or Safety Concerns:

  1. Strobes can bother students with epilepsy. This warning should be stated in class before doing the demonstration.

Demonstration:

Insert description of demonstration, how is the demonstration preformed.

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References:

  1. List any references

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