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  3. 8th Class
  4. Science

8th Class Science Sample Paper Science Olympiad Model Test Paper-11

  • question_answer
    Frequency of a pendulum is 20 hertz. Find the time period of the pendulum?

    A) 1sec

    B) 0.5 sec

    C) 0.05 sec

    D) 0.005 sec

    E) None of these

    Correct Answer: C

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