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What should be the nature of …

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What should be the nature of reflection surface to verify the law of reflection of sound write two precautions to be taken in this experiment

    • Posted by Vineet Kumar 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Priyadarsini Hotta 7 years, 2 months ago

    The surface should be rough one

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