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The wavelength of sound traveling in air with the velocity 330 m/s was found to be 66 m. If so.

(a) Find the frequency of sound.  

(b) By what name are sounds of such frequency known as?

1 Answer

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(a) V = f λ

330 = f × 66 

f = 330/60 = 5.5 Hz

(b) Infrasonic (∠ 20Hz)

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