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NEET Sample Paper NEET Sample Test Paper-45

  • question_answer
    The contrast in the fringes in any interference pattern depends on-

    A) Fringe width

    B) Wavelength

    C) Intensity ratio of the sources

    D) Distance between the sources

    Correct Answer: C

    Solution :

    Fringe visibility gives the contrast of the fringes given by \[V=\frac{2\sqrt{{{I}_{1}}/{{I}_{2}}}}{1+{{I}_{1}}/{{I}_{2}}}\]


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