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JEE Main & Advanced Physics Ray Optics Question Bank Numerical Value Type Questions - Optical Instrument

  • question_answer
    A telescope has an objective lens of focal length 200 cm and an eye piece with focal length 2 cm. If this telescope is used to see a 50 meter tall building at a distance of 2 km, what is the height (in cm) of the image of the building formed by the objective lens.

    Answer:

    5.00


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