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NEET-XII-Physics

16: Sound Wave

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  • #5
    When sound wave is refracted from air to water, which of the following will remain unchanged?
    (a) Wave number
    (b) Wavelength
    (c) Wave velocity
    (d) Frequency
    digAnsr:   d
    Ans : (d) Frequency
    When a sound or light wave undergoes refraction, its frequency remains constant because there is no change in its phase.
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