JEE Main & Advanced Physics Wave Mechanics Question Bank Progressive Waves

  • question_answer
    Which one of the following does not represent a travelling wave                                              [NCERT 1984]

    A)            \[y=\sin (x-v\,t)\]              

    B)            \[y={{y}_{m}}\sin k(x+v\,t)\]

    C)            \[y={{y}_{m}}\log (x-v\,t)\]   

    D)            \[y=f({{x}^{2}}-v\,{{t}^{2}})\]

    Correct Answer: D

    Solution :

               \[y=f({{x}^{2}}-v{{t}^{2}})\] doesn?t follows the standard wave equation.


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