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  3. 7th Class
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  5. Time and Motion

7th Class Science Time and Motion Question Bank Motion and Time

  • question_answer
    Which of the following is correct about the time period of a pendulum, whose length (length of thread) is 2 m and mass of whose bob (metallic ball) is 2 kg, when it is set in motion?

    A) time period remains constant

    B) time period increases slowly

    C) time period decreases slowly

    D) none of these is correct

    Correct Answer: A

    Solution :

        Time period of a pendulum is constant.


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