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Calculate the wavelength of a sound wave whose frequency is `220 Hz` and speed is `440 m//s` in a given medium.

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We know that: `v = f xx lambda`
Here, Speed, `v = 400 m//s`
Frequency, `f = 220 Hz`
And, Wavelength, `lambda = ?` (To be calculated)
Putting these values in the above formula, we get:
`400 = 220 xx lambda`
And, `lambda = (440)/(220)m`
Wavelength, `lambda = 2 m`

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