8th Class Science Sample Paper Science Olympiad Model Test Paper-9

  • question_answer
    A pendulum makes 100 oscillations in 15 seconds. What is the frequency of the pendulum?

    A)  15 hertz

    B)  6 hertz

    C)  85 hertz

    D)  100 hertz

    E)  None of these

    Correct Answer: E


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