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JEE Main & Advanced Physics Wave Mechanics Question Bank Progressive Waves

  • question_answer
    The wave equation is \[y=0.30\sin (314t-1.57x)\] where t, x and y are in second, meter and centimeter respectively. The speed of the wave is [CPMT 1997; AFMC 1999; CPMT 2001]

    A)            100 m/s                                  

    B)            200 m/s

    C)            300 m/s                                  

    D)            400 m/s

    Correct Answer: B

    Solution :

               \[\omega =314\], \[k=1.57\] and \[v=\frac{\omega }{k}=\frac{314}{1.57}=200\]m/s.


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