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

9th Class Science Sound Question Bank Sound Conceptive Objective Problems

  • question_answer
    The amplitude of the sound wave describes its

    A)  speed                                 

    B)  pitch

    C)  loudness            

    D)  source

    Correct Answer: C

    Solution :

      The amplitude of the sound wave describes its loudness.            


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