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

9th Class Science Sound Question Bank Sound Conceptive Objective Problems

  • question_answer
    Pitch or shrillness of sound depends on

    A)  frequency

    B)  amplitude of vibrations

    C)  both (a) and (b)              

    D)  none of these

    Correct Answer: A

    Solution :

      Pitch or shrillness of sound depends on frequency


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