JEE Main & Advanced Physics Wave Mechanics Question Bank Progressive Waves

  • question_answer
    A plane wave is described by the equation \[y=3\cos \left( \frac{x}{4}-10t-\frac{\pi }{2} \right)\].  The maximum velocity of the particles of the medium due to this wave is           [MP PMT 1994]

    A)            30  

    B)            \[\frac{3\pi }{2}\]

    C)            3/4

    D)            40

    Correct Answer: A

    Solution :

               \[{{v}_{\max }}=a\omega =3\times 10=30\]


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