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

  • question_answer
    The fringe width in Young?s double slit experiment increases when                                         [MP PMT 2000]

    A)            Wavelength increases

    B)            Distance between the slits increases

    C)            Distance between the source and screen decreases

    D)            The width of the slits increases

    Correct Answer: A

    Solution :

               \[\beta =\frac{\lambda D}{d}\Rightarrow \beta \propto \lambda \]


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