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NEET Sample Paper NEET Sample Test Paper-71

  • question_answer
    In a sinusoidal wave, the time required for particular point to move from maximum displacement to zero displacement is 0.170 second. The frequency of the wave;

    A) 1.47 Hz                        

    B) 0.36 Hz

    C) 0.73 Hz            

    D) 2.94 Hz

    Correct Answer: A

    Solution :

    Time required for a point to move from maximum displacement to zero displacement is         \[\,t=\frac{T}{4}=\frac{1}{4n}\] \[\Rightarrow \,\,\,\,\,n=\frac{1}{4t}=\frac{1}{4\times 0.170}\,\,=\,\,1.47\,Hz\]


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