7th Class Science Sample Paper Science Olympiad Model Test Paper-3

  • question_answer
    A simple pendulum takes 40 seconds to complete 20 oscillations. Find time-period of the pendulum.

    A) 0.5 seconds

    B) 1 seconds

    C) 1.5 seconds

    D) 2 seconds

    E) None of these

    Correct Answer: D


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