Question

Establish relationship between wavelength frequency and speed of sound in a medium

Answer 1

speed of sound = V
wavelength = λ
frequency = v

the time period of a wave is represented by = T = 1/v
In time T, a distance of wave length v is covered 

so the speed of sound = V = λ/T
or V = λv

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Answer 2

Let the speed of sound be V. Its wavelength be λ and the frequency be ν. The time period of the wave is given by, T = 1/ν. In time T the wave covers a distance of one wavelength λ.
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