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

  • question_answer
    If the sodium light in Young?s double slit experiment is replaced by red light, the fringe width will              [MP PMT 2002]

    A)            Decrease

    B)            Increase 

    C)            Remain unaffected

    D)            First increase, then decrease

    Correct Answer: B

    Solution :

               \[B\propto \lambda \]


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