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

  • question_answer
    The focal length of the objective lens of a compound microscope is         [CPMT 1985; MNR 1986; MP PET 1997]

    A)            Equal to the focal length of its eye piece 

    B)            Less than the focal length of eye piece 

    C)            Greater than the focal length of eye piece 

    D)            Any of the above three 

    Correct Answer: B

    Solution :

               For a compound microscope \[{{f}_{objective}}<{{f}_{eye\,piece}}\]


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