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  3. 8th Class
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8th Class Science Sound Question Bank Sound Summative Objective Problems

  • question_answer
    Time taken for 10 oscillation of a body is 20 second, then time period of the body is

    A)  1 sec                                    

    B)  2 sec

    C)  3 sec                    

    D)  4 sec

    Correct Answer: D

    Solution :

      Not Available


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