8th Class Science Sample Paper Science Olympiad Model Test Paper-10

  • question_answer
    If the given pendulum completes 100 oscillations in 5 seconds. What is the frequency of the pendulum?

    A) 10 hertz

    B) 20 hertz

    C) 30 hertz

    D) 40 hertz

    E) None of these

    Correct Answer: B


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