JEE Main & Advanced Physics Wave Optics / तरंग प्रकाशिकी Question Bank Young's Double Slit Experiment and Biprism

  • question_answer
    In Young?s double slit experiment, the central bright fringe can be identified                                       [KCET 2002]

    A)            By using white light instead of monochromatic light

    B)            As it is narrower than other bright fringes

    C)            As it is wider than other bright fringes

    D)            As it has a greater intensity than the other bright fringes

    Correct Answer: A

    Solution :

               When white light is used, central fringe will be white with red edges, and on either side of it, we shall get few coloured bands and then uniform illumination.


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