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Closed Tube Resonance in an Air Column with the Resonance Tube 

  1. Resonance Air Column with Speaker (WA-9594)

  2. Sine Wave Generator (WA-9867)

  3. Tuning Fork Set (SE-7342)

  4. Technical Tuning Fork Set (SE-7728)

Resonance Air Column

Ripple Tank System (WA-9899 #1369991)

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Ripple Tank Sytem

PASCO String Vibrator, Sine Wave Generator, and Strobe System

  • Strobe System (ME-6978 #1044396 )

  • Strobe Lamp Module (ME-6982 #1044397)

  • String Vibrator (WA-9857A #1554174)

  • Sine Wave Generator (WA-9867 #963800)

  • Photogate Head (ME-9498A #1044272)

Strobe System

Sonometer (WA-7428)

After an overview of sonometer features, we demonstrate two approaches to making measurements in an investigation of wavelength vs frequency. One uses a sound sensor and FFT display to determine the frequency, while the other adjusts wavelength to achieve resonance with a tuning fork.

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Measuring the Speed of Sound with an Echo

Students will first predict the speed of sound in the air of their classroom using a simple relationship accounting for temperature. Students will measure the time it takes a short pulse of sound to travel the length of a tube, reflect off the closed end, and return. Using this measurement, they will calculate the speed of sound and compare it to their prediction.

Speed of Sound
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