RAJASTHAN PMT Rajasthan - PMT Solved Paper-1996

  • question_answer The intensity of central fringe in a fringe pattern obtained from two slits of equal widths is\[I.\] If one of these slits is closed the intensity at the same place becomes \[{{I}_{0.}}\] The correct relation between \[I\] and \[{{I}_{0.}}\] is:

    A) \[I=4{{I}_{0}}\]                 

    B)        \[I=2{{I}_{0}}\]

    C)        \[I={{I}_{0}}\]                                   

    D)        \[I=\frac{{{I}_{0}}}{2}\]

    Correct Answer: A

    Solution :

    In Youngs double slit experiment is one of the slits is closed, then these will be \[\frac{1}{4}th\] effect in the intensity on screen.

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