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4 cards from this section. Quick, good the night before a test.
What is the range of audible sound in Hertz?
Think about the starting and ending values of human hearing.
What do we call sounds below 20 Hz?
These sounds are not detectable by the human ear.
What is the frequency range of audible sounds for humans?
Consider the minimum and maximum Hz values.
True or False: Sounds below 20 Hz are considered inaudible.
Refer back to the definitions we discussed.
A sound wave has a frequency of 150 Hz. Is it audible, inaudible, or does it depend on the listener?
Recall the specific frequency ranges discussed.
If humans cannot hear sounds above 20,000 Hz, discuss what this means for communication technologies that utilize such frequencies.
Consider the roles of technology in medicine as examples.
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