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JIPMER Jipmer Medical Solved Paper-1995

  • question_answer
    If the separation between the slits in Youngs  double  slit  experiment  is increased then the fringes:            

    A)                          remain unchanged            

    B)              become narrower             

    C)              become faint                       

    D)              become broader

    Correct Answer: B

    Solution :

    When separation between slits is increased in Youngs double slit experiment. Then from the formula, fringe width \[\beta =\frac{\lambda D}{d}\] Hence, it is clear that when d is increase the fringe width will become less hence, fringes will be narrower.


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