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VMMC VMMC Medical Solved Paper-2011

  • question_answer
    A wave represented by the equation \[y=a\cos (kx-\omega t)\]is superimposed with another wave to form a stationary wave such that the point x = 0 is a node. The equation for the other wave is

    A) \[y=a\sin (kx-\omega t)\]

    B) \[y=-a\cos (kx+\omega t)\]

    C) \[y=-a\cos (kx-\omega t)\]

    D) \[y=-a\sin (kx+\omega t)\]

    Correct Answer: C

    Solution :

                            \[y=a\cos (kx-\omega t)\] It will make a stationary wave by interfering a wave propagating in opposite directions.


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