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JEE Main & Advanced Physics Wave Mechanics Question Bank Progressive Waves

  • question_answer
    The equation of a progressive wave is \[y=8\sin \left[ \pi \left( \frac{t}{10}-\frac{x}{4} \right)+\frac{\pi }{3} \right]\]. The wavelength of the wave is [MH CET 2002]

    A)            8 m

    B)            4 m

    C)            2 m

    D)            10 m

    Correct Answer: A

    Solution :

               From the given equation \[k=\frac{2\pi }{\lambda }\]= Co-efficient of x                    \[=\frac{\pi }{4}\] Þ \[\lambda =8m\]


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