Question

Sound waves of wavelength 5 cm have a velocity of 340 m/s in air. What is their frequency?
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Answer 1

hello

Given, wavelength=5cm or 0.05 m

wave velocity=340m/s

we know that,

Wave velocity = Wavelength ×frequency

340 = 0.05 × frequency

frequency=340/0.05

=340×100/5

=6800hz