Doppler Effect Demonstration Apparatus, 92dB buzzer, 0.8m tether. Nylon cord is 2ft 8in attached to a rugged ABS handle 8.5in long, (1in diameter), Swing the apparatus and students will be able to hear the change in frequency, Dimensions: 4.5 x 5 x 3 in
Organ Pipe Polished Wood, With Movable Piston Marked With The Chromatic Scale From C (512) To (1024), Overall Length When Fully Extended 880 mm May Be Used For Investing The Phenomenon Of Beats In Conjunction With A Second Pipe Of The Same Type.
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