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How could you convince a small …

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How could you convince a small child tjat when you speak,it is not necessary for air to travel from your mouth yo the ear of the listener?

    • Posted by Raj Guru Pandey 6 years, 4 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Raj Guru Pandey 6 years, 4 months ago

    Thnk u

    1Thank You

    Japisher Singh 6 years, 4 months ago

    Thanks

    1Thank You

    Golua Singham 6 years, 4 months ago

    Take a slinky end tie one end to the wall and give the other end a push or pull alternately.Compressions and rarefaction s move towards the walls i.e wave move but the parts of slinky just vibrates about its mean position in the same way compression and rarefaction in air and no net movement of air particles is required for sound to travel.

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