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

  • question_answer
    If a torch is used in place of monochromatic light in Young?s experiment what will happens [MH CET 1999; KCET 1999]

    A)            Fringe will appear for a moment then it will disappear

    B)            Fringes will occur as from monochromatic light

    C)            Only bright fringes will appear

    D)            No fringes will appear

    Correct Answer: D

    Solution :

               If we use torch light in place of monochromatic light then overlapping of fringe pattern take place. Hence no fringe will appear.


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