9th Class Science Sound

  • question_answer 11)
    Distinguish between loudness and intensity of sound.

    Answer:

     
    Loudness Intensity
    1.  It is not an entirely physical quantity.   2. It depends upon (i) sensitivity of the ear and (ii) intensity of sound. 3. It has a subjective existence. 1. It is not an physical quantity which can be accurately measured. 2. It does not depend upon the sensitivity of the ear. 3.  It has an objective existence.
       


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