The frequency, wavelength and speed of a sound wave are related as :
$v = v e l o c i t y o f w a v e, u = f r e q u e n c y, λ = w a v e l e n g t h$

λ = v T

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λ = v / u

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u = v / λ

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λ = u v

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Solution

The correct options are
A $λ = v T$
B $λ = v / u$
C $u = v / λ$
We know that, $v = u λ$ , where $v$ is the speed of sound wave, $u$ is the frequency and $λ$ is the wavelength.
Also, $u = 1 / T$ , where $T$ is the Time Period.
Now using these two equations and comparing them, we will get our answer as option $A, B$ and $C$

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The frequency, wavelength and speed of a sound wave are related as :v=velocity of wave, u=frequency, λ=wavelength

The correct options are A λ=vT B λ=v/u C u=v/λWe know that, v=uλ, where v is the speed of sound wave, u is the frequency and λ is the wavelength.Also, u=1/T , where T is the Time Period.Now using these two equations and comparing them, we will get our answer as option A,B and C

The frequency, wavelength and speed of a sound wave are related as :
$v = v e l o c i t y o f w a v e, u = f r e q u e n c y, λ = w a v e l e n g t h$