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Chapter 12 l

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Chapter 12 l

    • Posted by Rakesh Pal Pal 5 years, 7 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Mili Kaushik 5 years, 7 months ago

    Sound

    0Thank You

    .... ...... 5 years, 7 months ago

    We are able to hear with the help of an extremely sensitive device called the ear.It allows us to convert pressure variations in air with audible frequencies into electric signals that travel to the brain via the auditory nerve.

    0Thank You

    Rakesh Pal Pal 5 years, 7 months ago

    How can we hear sound

    1Thank You

    ANSWER
    http://mycbseguide.com/examin8/

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