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  3. 9th Class
  4. Science
  5. Sound

9th Class Science Sound Question Bank Sound Conceptive Objective Problems

  • question_answer
    The intensity of sound is measured in the units of

    A)  joule                                    

    B)  watts

    C)  decibel               

    D)  none of these

    Correct Answer: C

    Solution :

      The intensity of sound is measured in the units of decibel           


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