The focal lengths of the objective and eye piece of a microscope are `2 cm and 5 cm`
Channel: Doubtnut
Date: 2020-08-02

The focal lengths of the objective and eye piece of a microscope are `2 cm and 5 cm` respectively, and the distance between them is `20 cm`. Find the distance of the object from the objective when the final image seen by the eye is `25 cm` from the eye piece. What is the magnifying power ?