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JEE Main & Advanced Physics Wave Mechanics Question Bank Progressive Waves

  • question_answer
    A wave is represented by the equation \[y=7\sin \{\pi (2t-2x)\}\] where \[x\] is in metres and \[t\] in seconds. The velocity of the wave is  [CPMT 2000; CBSE PMT 2000; Pb. PET 2000]

    A)            1 m/s                                       

    B)            2 m/s

    C)            5 m/s                                       

    D)            10 m/s

    Correct Answer: A

    Solution :

               \[v=\frac{\omega }{k}=\frac{2\pi }{2\pi }=1\,\,m/s\]


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