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

  • question_answer
    The astronomical telescope consists of objective and eye-piece. The focal length of the objective is [AIIMS 1998; BHU 2000]

    A)            Equal to that of the eye-piece

    B)            Greater than that of the eye-piece

    C)            Shorter than that of the eye-piece

    D)            Five times shorter than that of the eye-piece

    Correct Answer: B

    Solution :

               \[{{f}_{0}}>{{f}_{e}}\] for telescope.


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