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JEE Main & Advanced Physics Wave Mechanics Question Bank Basics of Mechanical Waves

  • question_answer
    When a sound wave of frequency 300 Hz passes through a medium the maximum displacement of a particle of the medium is 0.1 cm. The maximum velocity of the particle is equal to          [MNR 1992; UPSEAT 1998, 2000; RPMT 2002; Pb. PET 2004]

    A)            60 p cm/sec                          

    B)            30 p cm/sec

    C)            30 cm/sec                              

    D)            60 cm/sec

    Correct Answer: A

    Solution :

               \[{{v}_{\max }}=a\omega =a\times 2\pi n=0.1\times 2\pi \times 300=60\pi \,cm/\sec \]


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