# A wave is moving in air with the velocity of 340 m per second. calculate the wave length if its frequency is 512 Hz

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by ayush35

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by ayush35

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λ = v * T, where T is a period of wave's cycle.

A formula for frequency f:

f = 1 / T [1/s = Hz] ⇒ T = 1 / f

λ = v / f

λ = 340 / 512 [m*s⁻¹*Hz⁻¹ = m*s⁻¹ * s = m] ≈ 0,664 m = 664 mm

Answer: The wave length is 664 mm.

Wavelength = velocity/frequency
Wavelength = 340/512
Wavelength = 85/103