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Find the wavelength of sound wave of fre...

Find the wavelength of sound wave of frequency `4.2 MHz` travelling with a speed `1.7 km//s.`

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Verified by Experts

We know , `v = f lamda`
`therefore amda = (v)/(f) = (1.7 xx 10 ^(3))/(4.2 xx 10 ^(6)) =4.0476 xx 10 ^(-4) m`
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