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JEE Main & Advanced JEE Main Paper (Held On 15 April 2018) Slot-II

  • question_answer
    A convergent doublet of separated lenses, corrected for spherical aberration, has resultant focal length of\[10cm\]. The separation between the two lenses is\[2cm\]. The focal lengths of the component lenses [JEE Online 15-04-2018 (II)]

    A)                     \[18cm,20cm\] 

    B) \[10cm,12cm\] 

    C) \[12cm,14cm\]

    D)          \[16cm,18cm\]

    Correct Answer: A

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