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  1. The unit of measurement of noise is

  2. A.

     Decibel

    B.

     Hertz

    C.

     Amplifier

    D.

     Acoustics

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    Answer : Option A

    Explanation :

    We measure sound intensity (also referred to as sound power or sound pressure) in units called decibels. Decibels (dB) are named in honor of Alexander Graham Bell, the inventor of both the telephone and the audiometer.


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