If the focal length of objective and eye lens are `1.2 cm` and `3 cm` respectively and
Channel: Doubtnut
Date: 2020-01-19

If the focal length of objective and eye lens are `1.2 cm` and `3 cm` respectively and the object is put `1.25cm` away from the objective lens and the final image is formed at infinity. The magnifying power of the microscope is