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3C20.10 - Range of Hearing

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​3C20.10 - Range of Hearing

Preview
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Title3C20.10 - Range of Hearing
Objective

Demonstrate the approximate frequency range of human hearing. ​

StatusAvailable
Assembly Instructions

Instructions
A function generator an amplifier are hooked up to a speaker. Sweep the frequency of the signal from 20 to 20,000 Hz while students listen to determine where their cutoff for hearing exists. Have the students raise their hand when they are no longer able to hear the signal. Use of an oscilloscope can prove to the students that even though they can't hear it, the signal is still being emitted.
​

Setup Time10
Operation Time5
Preview Time5
Operation Instructions
ExportableNo
Demo on DimeNo
PIRA 200Yes
Export Instructions (if different)
HazardsNone
Analysis/Information
Category3 Oscillations
Subcategory3C - Acoustics
Keywordshearing frequency, hearing range, acoustics, sound
Construction Information
 
Equipment TitleUse SHIFT+ENTER to open the menu (new window).
  
QuantityUse SHIFT+ENTER to open the menu (new window).
  
function generator
1
speaker
1
oscilloscope and microphone (optional)
1