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JEE Main & Advanced Sample Paper JEE Main Sample Paper-31

  • question_answer
    A thin slice is cut out of a glass cylinder along a plane parallel to its axis. The slice is placed on a flat plate as shown, the observed interference fringes from this combination shall be:

    A) straight     

    B)                                    circular

    C) equally speed      

    D)    None

    Correct Answer: A

    Solution :

    The straight fringe will be obtained because locus of equal path difference are the lines running parallel to axis of cylinder.


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