WB JEE Medical WB JEE Medical Solved Paper-2007

  • question_answer
    The time period of the seconds hand of a watch is

    A)  1 h                                        

    B)  1s

    C)  12 h                                      

    D)  1 min

    Correct Answer: D

    Solution :

                     Seconds hand of a .watch completes its one rotation in 1 min. So, its time period is 1 min.


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