DUMET Medical DUMET Medical Solved Paper-2011

  • question_answer
    In Youngs double-slit experiment, if the distance between the slits is halved and the distance between the slits and the screen is doubled, the fringe width becomes

    A) half

    B) double

    C) four times

    D)  eight times

    Correct Answer: C

    Solution :

    \[\beta =\frac{\lambda D}{d}\Rightarrow \]If D becomes twice and d becomes half. So, p becomes four time.


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