A sound wave travels at a speed of 339 m/s. If its wavelength is 1.5 cm, what is the frequency of the wave? Will it be audible?


Speed of sound (v) = 339 ms-1

Wavelength of sound (λ) = 1.5 cm

λ = 0.015 m

Speed of sound = Wavelength x Frequency

Frequency = Speed of sound/Wavelength

Frequency = 339/0.015

Frequency = 22600 Hz

The frequency range of audible sound for humans lies between 20 Hz to 20,000 Hz.

Since the frequency of the given sound is more than 20,000 Hz, it is not audible

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