Find the minmimum and maximum wavelength...

Find the minmimum and maximum wavelengths of sound in water that is in the audible range `(20 - 20000 Hz)` for an average human ear. Speed of sound in water `= 1500 m//s`.

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The correct Answer is:

`7.5 cm , 75 m`

`lambda = (v)/(f) rArr lambda("maximum") = (v)/(f_("minimum")) = (1500)/(20) = 75 mm`

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