A sound wave travels at a speed of 339 m s-l. If its wavelength is 1.5 cm, what is the frequency of the wave? Will it be audible?
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The solution of the given question is:
Speed = wavelength * frequency
Frequency =speed/wavelength
Here speed = 339
Wavelength = 1.5 cm
We will have to change cm into meter 1.5 cm/100=0.015m
Frequency = 339/0.015m= 22600Hz
Because the frequency of the wavelength is more then 20k it will not be audible.
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