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JEE Main & Advanced Physics Wave Mechanics Question Bank Self Evaluation Test - Oscillations

  • question_answer
    For a particle executing SHM the displacement x is given by\[x=A\cos \,\omega t\]. Identify the graph which nrepresents the variation of potential energy (P. E.) as a function of time t and displacement x.   

    A) I, III  

    B) II, IV    

    C) II, III

    D) I, IV

    Correct Answer: A

    Solution :

    [a] In \[x=A\,\cos \,\omega t\], the particle starts oscillating from extreme position. So at\[t=0\], its potential energy is maximum.


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