The wavelength propagating at a speed of 2.5 m / s is 0.1 m. Determine the frequency of the source.

Wave speed in air can be calculated using the formula:
υ = λ * n, where υ is the wave propagation speed (V = 2.5 m / s), λ is the wavelength (λ = 0.1 m), n is the source oscillation frequency (Hz).
Let us express and calculate the oscillation frequency of the source:
n = υ / λ = 2.5 / 0.1 = 25 Hz.
Answer: C) The oscillation frequency of the source is 25 Hz.



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