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JEE Main & Advanced Physics Ray Optics Question Bank Numerical Value Type Questions - Refraction at Plane Surface

  • question_answer
    A portion of straight glass rod of diameter 4 cm and refractive index \[\mu =2\]is bent into an arc of circle and a parallel beam of light is incident on it as shown in the figure. Find the smallest value of R, in cm (the radius of outer arc) which permits all the light to pass around the arc.

    Answer:

    8.00


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