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MGIMS WARDHA MGIMS WARDHA Solved Paper-2004

  • question_answer
    In a sinusoidal wave. the time required for a particular point to move from maximum   displacement   to   zero displacement is 0-17 sec. The frequency of the wave is :

    A) 1.47 Hz                                 

    B) 2.94 Hz

    C) 0.73 Hz                                 

    D) 0.36 Hz

    Correct Answer: A

    Solution :

    Time  for  maximum  displacement \[t=0.17\text{ }\sec \] Time period T for one vibration \[=4t=4\times 0.17\] \[=0.68\text{ }sec\] \[Frequency=\frac{1}{time\text{ }period\text{ }(T)}\]                                 \[=\frac{1}{0.68}\] \[=1.47\text{ }Hz\]


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