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

9th Class Science Sound Question Bank Sound Conceptive Objective Problems

  • question_answer
    Regular periodic vibrations produce

    A)  musical sound   

    B)  noice

    C)  both (a) and (b)              

    D)  None of these

    Correct Answer: A

    Solution :

      Regular periodic vibrations produced musical sound       


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