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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 with a source of light of wavelength\[6320\,\,{AA}\], the first maxima will occur when [Roorkee 1999]

    A) Path difference is\[9480\,\,{AA}\]

    B) Phase difference is 2p radian

    C) Path difference is\[6320\,\,{AA}\]

    D) Phase difference is p radian

    Correct Answer: B

    Solution :

     For maxima, path difference \[\Delta =n\lambda \] So for n =1, \[\Delta =\lambda =6320{AA}\]


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