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J & K CET Engineering J and K - CET Engineering Solved Paper-2011

  • question_answer
    \[x(t)=A\,\,\cos (\omega t+\phi )\]is the equation of simple    harmonic motion. In this equation \[\phi \]is called

    A)  phase constant

    B)  frequency

    C)  amplitude

    D)  displacement

    Correct Answer: A

    Solution :

    \[x(t)=A\,cos(\omega t+\phi )\] where \[\phi \] is the phase constant.


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