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BVP Medical BVP Medical Solved Paper-2013

  • question_answer
    If n coherent sources of intensity \[\frac{{{p}^{2}}{{t}^{2}}}{m}\] are superimposed at a point the intensity of the point is

    A)  \[\frac{{{p}^{2}}{{t}^{2}}}{2m}\]                              

    B)  \[\frac{{{p}^{2}}{{t}^{2}}}{3m}\]

    C)  \[\frac{pt}{2m}\]                            

    D)  \[\frac{2m{{L}^{2}}}{3}\]

    Correct Answer: B

    Solution :

                    The resultant amplitude is \[A=x{{a}_{0}}\] \[l\propto {{A}^{2}}\] \[l=k{{A}^{2}}=k{{x}^{2}}a_{0}^{2}={{x}^{2}}{{l}_{0}}\]


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