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what is meant by loudness

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what is meant by loudness

    • Posted by Ratna Swetha Kancharla 4 years, 3 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 4 years, 3 months ago

    • Loudness: Loudness is the response of ear to the sound. Loudness is proportional to the square of the amplitude of the vibration body producing sound. The more the amplitude of vibration, the sound is the loud. The lesser the amplitude of vibration, the sound is feeble.

    Loudness  =  k.(Amplitude)2  (where k is the proportionality constant)

    The loudness is expressed in a unit called decibel (dB).

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