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Wavelength

What will be ...

Question

What will be the change in the wavelength of a sound wave in air if its frequency is doubled?

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Solution

We know the relation between velocity, frequency, and wavelength
ν = f × λ,
where ν is the velocity, f the frequency, and λ the wavelength
Velocity of sound is constant for a given condition. Therefore, if wavelength is doubled, frequency is halved.

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