Establish the relationship between speed of sound, its wavelength and frequency. If velocity of sound in air is 340 m s–1, calculate

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Establish the relationship between speed of sound, its wavelength and frequency. If velocity of sound in air is 340 m s–1, calculate

(i) wavelength when frequency is 256 Hz.

(ii) frequency when wavelength is 0.85 m.

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Derivation of formula v = ν λ.

(i) 340 = 256 λ

λ = 1.33 m.

(ii) 340 = ν (0.85)

ν = 400 Hz