A sond wave travel at a speed of 339;m/s if its wavelength is 1.5cm find the frequency
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speed=wavelength*frequency
339=1.5*frequency
frequency=339/0.015
=22600hz
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Wave speed =339 m/s
Wavelength=1.5 cm = 0.015 m
from the wave equation
... wave speed =wavelength*frequency
therefore.....frequency = (wave speed)/(wave length)
=339/0.015 = 22600 sec^-1 of 22600Hz
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