The correct answer is: divide its speed by its wavelength.
The frequency of a wave can be found by dividing its speed by its wavelength. This can be represented by the formula:
frequency = speed / wavelength
where frequency is measured in hertz (Hz), speed is measured in meters per second (m/s), and wavelength is measured in meters (m).
How can the frequency of a wave be found?
multiply its speed by its wavelength
divide its speed by its wavelength
divide its wavelength by its speed
multiply its amplitude by its wavelength
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