Question

What is the frequency of a sound wave in air (at STP) whose wavelength is 0.92 m?

Answer 1

372.826 hertz

Step-by-step explanation:

Note that v = f λ, where v is speed, f is frequency and λ is wavelength.

The speed of sound in air at STP is 343 m/s and the given wavelength for the wave is 0.92m so lets sub these values in to find the frequency:

v = f λ

343 = 0.92f

f=372.826086957 hertz

Answer 2

The frequency of a sound wave is the number of times that the wave oscillates or cycles per second. It is typically measured in Hertz (Hz), which is the number of cycles per second.

The wavelength of a sound wave is the distance between consecutive peaks or troughs of the wave. It is typically measured in meters (m).

To find the frequency of a sound wave in air whose wavelength is 0.92 m, you can use the following formula:

frequency = speed of sound / wavelength

The speed of sound in air at standard temperature and pressure (STP) is about 343 meters per second. Therefore, the frequency of the sound wave in air (at STP) whose wavelength is 0.92 m would be:

frequency = 343 m/s / 0.92 m = 370 Hz

This means that the sound wave oscillates or cycles about 370 times per second.