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

9th Class Science Sound Question Bank Sound Conceptive Objective Problems

  • question_answer
    A wave is produced by the ____ of the particles.

    A)  motions             

    B)  vibrations

    C)  rotations           

    D)  none of these

    Correct Answer: B

    Solution :

      Not Available


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