Students were testing their hearing range

In summary, the purpose of testing hearing range for students is to evaluate their ability to hear and distinguish between different frequencies and volumes. This is typically done using a series of tones played at different frequencies and volumes. It is recommended that students have their hearing range tested at least once before starting school and periodically throughout their educational years. There are several potential reasons for a student having a limited hearing range, including genetics, exposure to loud noises, ear infections, and other medical conditions. Teachers can use hearing range testing results to better understand their students' individual hearing abilities and make necessary accommodations in the classroom.
  • #1
Brittykitty
81
0
In an experiment, students were testing their hearing range and found that it averaged about 25 Hz to 18 000 Hz. What are the wavelengths of sound waves producing these frequencies in air where the speed of sound is 343 m/s?

Would I use the formula

wavelength= velocity/ frequency?

wavelength = 343ms/25hz

and

wavelength = 343ms/18000hz ??
 
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  • #2


Brittykitty said:
In an experiment, students were testing their hearing range and found that it averaged about 25 Hz to 18 000 Hz. What are the wavelengths of sound waves producing these frequencies in air where the speed of sound is 343 m/s?

Would I use the formula

wavelength= velocity/ frequency?

wavelength = 343ms/25hz

and

wavelength = 343ms/18000hz ??

You're basically using the right formation, but be careful to carry your units along correctly. You've written ms a couple of time where you mean m/s.

It's helpful to put units in square brackets (at least for me), and do math on the units at the same time you do math on the numbers. Cancel anyplace you get the same unit on the top and bottom of a division. So your equation could look more clear like this:

wavelength [m] = 343 [m/s] / 18000 [Hz] = 343 [m/s] / 18000 [1/s], etc...
 
  • #3


berkeman said:
You're basically using the right formation, but be careful to carry your units along correctly. You've written ms a couple of time where you mean m/s.

It's helpful to put units in square brackets (at least for me), and do math on the units at the same time you do math on the numbers. Cancel anyplace you get the same unit on the top and bottom of a division. So your equation could look more clear like this:

wavelength [m] = 343 [m/s] / 18000 [Hz] = 343 [m/s] / 18000 [1/s], etc...

Thank you =) so...

wavelength [m] =343[m/s] / 18000 [Hz] =0.019m

and wavelength [m] =343[m/s] / 25 [Hz] =13.72m

does that look right to you?
 
  • #4


I didn't check the calculations, but the approach seems correct. Good work.
 

What is the purpose of testing hearing range for students?

The purpose of testing hearing range for students is to evaluate their ability to hear and distinguish between different frequencies and volumes. This can provide insight into their overall hearing health and potential issues that may need to be addressed.

How is hearing range testing conducted for students?

Hearing range testing for students is typically done using a series of tones played at different frequencies and volumes. Students are asked to indicate when they can hear the tone, and the results are recorded to determine their hearing range.

At what age should students start having their hearing range tested?

It is recommended that students have their hearing range tested at least once before starting school, and then periodically throughout their educational years. This can help identify any potential hearing issues early on and allow for intervention if needed.

What are some potential reasons for a student having a limited hearing range?

There are several potential reasons for a student having a limited hearing range, including genetics, exposure to loud noises, ear infections, and other medical conditions. In some cases, a limited hearing range may be temporary and can improve with treatment.

How can teachers use hearing range testing results to better support their students?

Teachers can use hearing range testing results to better understand their students' individual hearing abilities and make necessary accommodations in the classroom. This can include seating arrangements, use of visual aids, and addressing any hearing issues with parents and healthcare professionals.

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