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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 21

  • question_answer
    In YDSE, distance between the slits and the screen is 2 m. Distance between slits is 2 mm and wavelength of light is 500 nm. A mica sheet of 100 urn thickness and refractive index \[1.5\]is placed after one of the slits. What is the number of fringes crossing a given point?

    Answer:

    100


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