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JEE Main & Advanced Physics Ray Optics Question Bank Refraction at Curved Surface

  • question_answer
    A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens.  Then its focal length will                                                               [CBSE PMT 2003]

    A)            Become infinite

    B)            Become small, but non?zero

    C)            Remain unchanged

    D)            Become zero

    Correct Answer: A

    Solution :


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