catGrangers catGrangers

30-03-2016
Physics

Answered

Find the wavelength of a 26 Hz sound wave traveling through air at 20ºC. Hint: speed of sound at 20ºC = 343 m/s

Verified Answer :

Anonymous Anonymous

08-04-2016

The correct answer for the question that is being presented above is this one: "B. 13m."

The formula of wave velocity is this:
wave velocity = f * λ
λ = v / f
λ = 343m/s / 26Hz
λ = 13.20m .. ans (b)

Here are the following choices:
A. 5m
B. 13m
C. 28m
D. 58m

Answer Link

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