2. Questions Bank
  3. 9th Class
  4. Science
  5. Sound

9th Class Science Sound Question Bank Sound Formative Objective Problems

  • question_answer
    Loudness of sound is directly proportional to the ___ of the amplitude of the wave.

    A)  cube                                    

    B)  square

    C)  fourth power                   

    D)  sixth power

    Correct Answer: B

    Solution :

      Not Available


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