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  3. 8th Class
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8th Class Science Sample Paper Science Olympiad Model Test Paper-16

  • question_answer
    A vibrating body completes 30 oscillations in 2 seconds. What is the frequency of the vibrating body?

    A) 5 hertz

    B) 10 hertz

    C) 15 hertz

    D) 20 hertz

    E) None of these

    Correct Answer: C

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