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9th Class Science Sound Question Bank 9th CBSE Science Sound

  • question_answer
      Which of the two graphs (a) and (b) representing the human voice is likely to be the male voice? Give reason for your answer.

    Answer:

       Graph (a) represents the male voice. Since, the pitch and frequency of male voice is lower than the pitch of female voice and vibration of graph, (a) represents lower frequency and lower pitch. 


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