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NEET Sample Paper NEET Sample Test Paper-30

  • question_answer
    In a sinusoidal wave, the time required maximum displacement to zero displacement is\[0.17\text{ }sec\]. The frequency of the wave is:

    A)  \[1.47Hz\]      

    B)  \[2.94Hz\]

    C)  \[0.73Hz\]                  

    D)  \[9.36Hz\]

    Correct Answer: A

    Solution :

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


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