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a sound wave of frequency 500 hz travels from air into water. the speed of sound in air is 330 m s-1 and in water 1490 m s-1. what is the wavelength of the wave in a)air; b)water

  • physics -

    The frequency stays the same, but, since
    wave speed = (wavelength)*(frequency),

    a) wavelength in air = V/f = 330/500
    = 0.66 m

    b) wavelength in water = 1490/500 = ?

  • physics -

    thanks but actually i figured it out by myself!

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