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JEE Main & Advanced Physics Ray Optics Question Bank Microscope and Telescope

  • question_answer
    For a compound microscope, the focal lengths of object lens and eye lens are \[{{f}_{o}}\]and \[{{f}_{e}}\] respectively, then magnification will be done by microscope when                     [RPMT 2001]

    A)            \[{{f}_{o}}={{f}_{e}}\]      

    B)            \[{{f}_{o}}>{{f}_{e}}\]

    C)            \[{{f}_{o}}<{{f}_{e}}\]      

    D)            None of these

    Correct Answer: C

    Solution :

               Magnification will be done by compound microscope only when  \[{{f}_{o}}<{{f}_{e}}\]


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