2. Sample Papers
  3. 8th Class
  4. Science

8th Class Science Sample Paper Science Olympiad Model Test Paper-18

  • question_answer
    Which one of the following is the unit of loudness of sound?

    A) Hertz

    B) Joule

    C) Decibel

    D) Metre

    E) None of these

    Correct Answer: C

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