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

  • question_answer
    A convex lens B of focal length 20cm is placed at a distacne of 30cm to the right of an identical lens A. A point object is placed at a distance of 30cm to the left of A. On the common axis of the two lenses should a convex mirror of radius of curvature 7cm be placed from lens B so that the final image coincides with the objects (in cm).

    Answer:

    5.00


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