In an astronomical telescope, focal length of objective lens is `75 cm` and that
Channel: Doubtnut
Date: 2020-08-02

In an astronomical telescope, focal length of objective lens is `75 cm` and that of eye piece is `5 cm` . Calculate the magnifying power and the distance between the two lenses, when final image of distant object is seen at a distance of `25 cm` from the eye.