BCECE Medical BCECE Medical Solved Papers-2014

  • question_answer A small laboratory telescope has an objective lens of focal length 140 cm and an eye-piece of focal length 6 cm. Then, separation between the objective and eye-piece is

    A)  140 cm           

    B)  24 cm

    C)  156 cm           

    D)  146 cm

    Correct Answer: D

    Solution :

    Separation between objective and eye-piece is \[L={{f}_{0}}+{{f}_{e}}\] \[\therefore \] \[L=140+6=146\,\,cm\]


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