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NEET Sample Paper NEET Sample Test Paper-64

  • question_answer
    Following figure shows sources \[{{S}_{1}}\,\,and\,\,{{S}_{2}}\] that emit light of wavelength \[\lambda \] in all directions. The sources are exactly in phase and are separated by a distance equal to\[1.5\,\,\lambda \]. If we start at the indicated start point and travel along path 1 and 2, the interference produces a maxima all along

    A) path 1              

    B) path 2

    C) any path                       

    D) none of these

    Correct Answer: A

    Solution :

    At any point along the path 1, path difference between the waves is 0. Hence maxima is obtained all along the path 1. At any point along the path 2, path difference is \[1.5\,\lambda \] which is odd multiple of \[2\,\,\lambda \], so minima is obtained all along the path 2.


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