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5th Class Science Sample Paper Science Olympiad Model Test Paper-12

  • question_answer
    Which of the following sounds are termed as noise?

    A) Sounds of intensity more than 80 db

    B) Sounds of intensity less than 20 db

    C) Sounds of intensity between 20 db - 60 db

    D) Sounds of intensity equal to 60 db

    E) None of these

    Correct Answer: A

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