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JEE Main & Advanced Physics Wave Mechanics Question Bank Critical Thinking

  • question_answer
    In a wave motion \[y=a\sin (kx-\omega t)\], y can represent [IIT-JEE 1999]

    A)            Electric field                          

    B)            Magnetic field

    C)            Displacement                      

    D)            Pressure

    Correct Answer: C

    Solution :

     In case of sound wave, y can represent pressure and displacement, while in case of an electromagnetic wave it represents electric and magnetic fields. (In general y is any general physical quantity which is made to oscillate at one place and these oscillations are propagated to other places also).


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