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CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2009

  • question_answer
    In a sinusoidal wave, the time required for a particular point to move from maximum displacement to zero displacement is 0.14 s. The frequency of the wave is

    A)  0.42 Hz          

    B)         2.75 Hz

    C)  1.79 Hz          

    D)         0.56 Hz

    E)  3.5 Hz

    Correct Answer: C

    Solution :

    Time Taken by the wave to travel a distance equal to one wavelength \[=0.14\times 4\]   \[=0.56s\] Frequency          \[{{f}_{c}}=\frac{I}{T}\]                                 \[=\frac{1}{0.56}\]                                 \[f=\frac{100}{56}\] Or                           \[f=1.79\,Hz\]


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