A telescope has an objective lens of focal length `200cm` and an eye piece with focal leng
Channel: Doubtnut
Date: 2020-01-19

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