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JEE Main & Advanced Physics Wave Optics / तरंग प्रकाशिकी Question Bank Numerical Value Type Questions - Wave Optics

  • question_answer
    A young's double-slit arrangement produces interference fringes for sodium light \[(\lambda =5890\,\overset{\text{o}}{\mathop{\text{A}}}\,)\] that are \[0.20{}^\circ \] apart. What is the angular fringe separation (in degree) if the entire arrangement is immersed in water? (Refractive index of water is 4/3).

    Answer:

    0.15


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