8th Class Science Sample Paper Science Sample Paper-10

  • question_answer
    Choose the correct option:
    (vi) An object is vibrating at 50 Hertz. What is its time period?

    A) 0.02s   

    B)                    2s

    C) 0.2s                 

    D)                    20.0s

    Correct Answer: A

    Solution :

    0.02s


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