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Very important questions for final exam

    • Posted by Ankit Rao 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Bhargav G 7 years, 2 months ago

    The Propagation of sound. Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). During their propagation, waves can be reflected, refracted, or attentuated by the medium.

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