Galton’s Whistle

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530
470111-248EA 31.25 USD
470111-248
Galton’s Whistle
Educational Materials Physics Educational Materials Waves and Oscillations Learning Activities
Determine the Highest Frequency of Audible Sound

This whistle can help you determine the highest frequency of sound a listener can hear, a value that decreases with age. The adjustable whistle produces mostly frequencies inaudible to us. Lowering the pitch brings the sound into most people’s audible range.



   
 

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