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J & K CET Medical J & K - CET Medical Solved Paper-2009

  • question_answer
    The equation \[y\text{ }=\text{ }A\text{ }sin\text{ }k(vt-x)\]represents\[\left( k=\frac{2\pi }{\lambda } \right)\]

    A)  a plane progressive wave travelling along negative x-direction

    B)  a plane progressive wave travelling along positive X-direction

    C)  a stationary wave

    D)  a plane progressive wave travelling along positive K-direction

    Correct Answer: B

    Solution :

                     If the sign between t and\[x\]terms is negative the wave is propagating along positive X-axis and if the sign is positive, then the wave moves in negative A-axis direction.


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