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RAJASTHAN ­ PET Rajasthan PET Solved Paper-2003

  • question_answer
    The equation of progressive wave is\[y=a\text{ }sin(200\] \[(200tx),\]where\[x\]is in metre and\[x\]is in second. The velocity of wave will be

    A)  200 m/s         

    B)  100 m/s

    C)  50 m/s          

    D)  None of these

    Correct Answer: A

    Solution :

     On comparing the given equation with \[y=a\sin (\omega t-kx),\]we get, \[\omega =200,K=1\] \[\therefore \] \[v=\frac{\omega }{k}=200\text{ }m/s\]


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