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JCECE Medical JCECE Medical Solved Paper-2003

  • question_answer
    The speed of wave in a medium is 650 m/s. If 3500 waves are passing through a point in the medium in 1.67 min, then its wavelength will be:

    A)  16.25m       

    B)  14.29m

    C)  18.57m       

    D)  20.50m

    Correct Answer: C

    Solution :

     As we have given that 3500 waves are passing through a point in the medium in 1.67 min, so frequency of the wave, \[n=\frac{3500}{1.67\times 60}\approx 35/s\] Hence, wavelength of the wave, \[\lambda =\frac{v}{n}\] \[=\frac{650}{35}=18.57m\]


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